Home / 631,092,654.72-870,941,505.60-352,640,937.60

Finding the Fourth Proportional to 631,092,654.72, 870,941,505.60 and 352,640,937.60

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Solution

The fourth proportional to 631,092,654.72, 870,941,505.60 and 352,640,937.60 is: 486,663,292.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,092,654.72 : 870,941,505.60 = 352,640,937.60 : x
  2. Step 2: Convert to fraction form
    631,092,654.72/870,941,505.60 = 352,640,937.60/x
  3. Step 3: Cross multiply
    631,092,654.72x = 870,941,505.60 × 352,640,937.60
  4. Step 4: Simplify right side
    631,092,654.72x = 307,129,629,129,539,648
  5. Step 5: Solve for x
    x = 307,129,629,129,539,648/631,092,654.72
  6. Step 6: Final answer
    x = 486,663,292.36

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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.