Home / 3,991,200,406.44-5,507,892,248.38-2,207,173,894.93

Finding the Fourth Proportional to 3,991,200,406.44, 5,507,892,248.38 and 2,207,173,894.93

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Solution

The fourth proportional to 3,991,200,406.44, 5,507,892,248.38 and 2,207,173,894.93 is: 3,045,919,710.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991,200,406.44 : 5,507,892,248.38 = 2,207,173,894.93 : x
  2. Step 2: Convert to fraction form
    3,991,200,406.44/5,507,892,248.38 = 2,207,173,894.93/x
  3. Step 3: Cross multiply
    3,991,200,406.44x = 5,507,892,248.38 × 2,207,173,894.93
  4. Step 4: Simplify right side
    3,991,200,406.44x = 12,156,875,986,727,075,840
  5. Step 5: Solve for x
    x = 12,156,875,986,727,075,840/3,991,200,406.44
  6. Step 6: Final answer
    x = 3,045,919,710.55

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.