Home / 787,680,068.10-1,181,520,102.15-379,533,380.10

Finding the Fourth Proportional to 787,680,068.10, 1,181,520,102.15 and 379,533,380.10

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Solution

The fourth proportional to 787,680,068.10, 1,181,520,102.15 and 379,533,380.10 is: 569,300,070.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,680,068.10 : 1,181,520,102.15 = 379,533,380.10 : x
  2. Step 2: Convert to fraction form
    787,680,068.10/1,181,520,102.15 = 379,533,380.10/x
  3. Step 3: Cross multiply
    787,680,068.10x = 1,181,520,102.15 × 379,533,380.10
  4. Step 4: Simplify right side
    787,680,068.10x = 448,426,318,025,086,848
  5. Step 5: Solve for x
    x = 448,426,318,025,086,848/787,680,068.10
  6. Step 6: Final answer
    x = 569,300,070.15

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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.