Home / 704,686,534.90-1,057,029,802.35-487,008,301.30

Finding the Fourth Proportional to 704,686,534.90, 1,057,029,802.35 and 487,008,301.30

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Solution

The fourth proportional to 704,686,534.90, 1,057,029,802.35 and 487,008,301.30 is: 730,512,451.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,686,534.90 : 1,057,029,802.35 = 487,008,301.30 : x
  2. Step 2: Convert to fraction form
    704,686,534.90/1,057,029,802.35 = 487,008,301.30/x
  3. Step 3: Cross multiply
    704,686,534.90x = 1,057,029,802.35 × 487,008,301.30
  4. Step 4: Simplify right side
    704,686,534.90x = 514,782,288,465,948,288
  5. Step 5: Solve for x
    x = 514,782,288,465,948,288/704,686,534.90
  6. Step 6: Final answer
    x = 730,512,451.95

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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.