Home / 527,640,051.10-791,460,076.65-442,987,404.70

Finding the Fourth Proportional to 527,640,051.10, 791,460,076.65 and 442,987,404.70

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Solution

The fourth proportional to 527,640,051.10, 791,460,076.65 and 442,987,404.70 is: 664,481,107.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,640,051.10 : 791,460,076.65 = 442,987,404.70 : x
  2. Step 2: Convert to fraction form
    527,640,051.10/791,460,076.65 = 442,987,404.70/x
  3. Step 3: Cross multiply
    527,640,051.10x = 791,460,076.65 × 442,987,404.70
  4. Step 4: Simplify right side
    527,640,051.10x = 350,606,845,278,846,528
  5. Step 5: Solve for x
    x = 350,606,845,278,846,528/527,640,051.10
  6. Step 6: Final answer
    x = 664,481,107.05

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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.