Home / 314,928,308.70-472,392,463.05-284,695,220.70

Finding the Fourth Proportional to 314,928,308.70, 472,392,463.05 and 284,695,220.70

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Solution

The fourth proportional to 314,928,308.70, 472,392,463.05 and 284,695,220.70 is: 427,042,831.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,308.70 : 472,392,463.05 = 284,695,220.70 : x
  2. Step 2: Convert to fraction form
    314,928,308.70/472,392,463.05 = 284,695,220.70/x
  3. Step 3: Cross multiply
    314,928,308.70x = 472,392,463.05 × 284,695,220.70
  4. Step 4: Simplify right side
    314,928,308.70x = 134,487,876,525,036,336
  5. Step 5: Solve for x
    x = 134,487,876,525,036,336/314,928,308.70
  6. Step 6: Final answer
    x = 427,042,831.05

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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.