Home / 314,712,007.70-472,068,011.55-308,665,390.10

Finding the Fourth Proportional to 314,712,007.70, 472,068,011.55 and 308,665,390.10

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Solution

The fourth proportional to 314,712,007.70, 472,068,011.55 and 308,665,390.10 is: 462,998,085.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,712,007.70 : 472,068,011.55 = 308,665,390.10 : x
  2. Step 2: Convert to fraction form
    314,712,007.70/472,068,011.55 = 308,665,390.10/x
  3. Step 3: Cross multiply
    314,712,007.70x = 472,068,011.55 × 308,665,390.10
  4. Step 4: Simplify right side
    314,712,007.70x = 145,711,056,938,812,064
  5. Step 5: Solve for x
    x = 145,711,056,938,812,064/314,712,007.70
  6. Step 6: Final answer
    x = 462,998,085.15

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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.