Home / 351,744,784.80-527,617,177.20-312,777,693.60

Finding the Fourth Proportional to 351,744,784.80, 527,617,177.20 and 312,777,693.60

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Solution

The fourth proportional to 351,744,784.80, 527,617,177.20 and 312,777,693.60 is: 469,166,540.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,744,784.80 : 527,617,177.20 = 312,777,693.60 : x
  2. Step 2: Convert to fraction form
    351,744,784.80/527,617,177.20 = 312,777,693.60/x
  3. Step 3: Cross multiply
    351,744,784.80x = 527,617,177.20 × 312,777,693.60
  4. Step 4: Simplify right side
    351,744,784.80x = 165,026,883,788,358,528
  5. Step 5: Solve for x
    x = 165,026,883,788,358,528/351,744,784.80
  6. Step 6: Final answer
    x = 469,166,540.40

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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.