Home / 12,248,064,812.10-18,372,097,218.15-7,002,288,120.90

Finding the Fourth Proportional to 12,248,064,812.10, 18,372,097,218.15 and 7,002,288,120.90

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Solution

The fourth proportional to 12,248,064,812.10, 18,372,097,218.15 and 7,002,288,120.90 is: 10,503,432,181.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248,064,812.10 : 18,372,097,218.15 = 7,002,288,120.90 : x
  2. Step 2: Convert to fraction form
    12,248,064,812.10/18,372,097,218.15 = 7,002,288,120.90/x
  3. Step 3: Cross multiply
    12,248,064,812.10x = 18,372,097,218.15 × 7,002,288,120.90
  4. Step 4: Simplify right side
    12,248,064,812.10x = 128,646,718,106,671,677,440
  5. Step 5: Solve for x
    x = 128,646,718,106,671,677,440/12,248,064,812.10
  6. Step 6: Final answer
    x = 10,503,432,181.35

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Double scale
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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.