Home / 713,448,001.70-1,070,172,002.55-469,347,308.90

Finding the Fourth Proportional to 713,448,001.70, 1,070,172,002.55 and 469,347,308.90

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Solution

The fourth proportional to 713,448,001.70, 1,070,172,002.55 and 469,347,308.90 is: 704,020,963.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,448,001.70 : 1,070,172,002.55 = 469,347,308.90 : x
  2. Step 2: Convert to fraction form
    713,448,001.70/1,070,172,002.55 = 469,347,308.90/x
  3. Step 3: Cross multiply
    713,448,001.70x = 1,070,172,002.55 × 469,347,308.90
  4. Step 4: Simplify right side
    713,448,001.70x = 502,282,349,456,966,400
  5. Step 5: Solve for x
    x = 502,282,349,456,966,400/713,448,001.70
  6. Step 6: Final answer
    x = 704,020,963.35

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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.