Home / 2,124,113,381.10-3,186,170,071.65-1,988,064,485.10

Finding the Fourth Proportional to 2,124,113,381.10, 3,186,170,071.65 and 1,988,064,485.10

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Solution

The fourth proportional to 2,124,113,381.10, 3,186,170,071.65 and 1,988,064,485.10 is: 2,982,096,727.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124,113,381.10 : 3,186,170,071.65 = 1,988,064,485.10 : x
  2. Step 2: Convert to fraction form
    2,124,113,381.10/3,186,170,071.65 = 1,988,064,485.10/x
  3. Step 3: Cross multiply
    2,124,113,381.10x = 3,186,170,071.65 × 1,988,064,485.10
  4. Step 4: Simplify right side
    2,124,113,381.10x = 6,334,311,562,935,886,848
  5. Step 5: Solve for x
    x = 6,334,311,562,935,886,848/2,124,113,381.10
  6. Step 6: Final answer
    x = 2,982,096,727.65

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Half scale
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Double scale
Find fourth proportional to 2,124,113,382.10, 3,186,170,073.15 and 1,988,064,486.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.