Home / 400,207,074.80-551,847,194.52-260,719,165.04

Finding the Fourth Proportional to 400,207,074.80, 551,847,194.52 and 260,719,165.04

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Solution

The fourth proportional to 400,207,074.80, 551,847,194.52 and 260,719,165.04 is: 359,506,737.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,207,074.80 : 551,847,194.52 = 260,719,165.04 : x
  2. Step 2: Convert to fraction form
    400,207,074.80/551,847,194.52 = 260,719,165.04/x
  3. Step 3: Cross multiply
    400,207,074.80x = 551,847,194.52 × 260,719,165.04
  4. Step 4: Simplify right side
    400,207,074.80x = 143,877,139,784,920,848
  5. Step 5: Solve for x
    x = 143,877,139,784,920,848/400,207,074.80
  6. Step 6: Final answer
    x = 359,506,737.50

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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.