Home / 970,753,078.20-1,456,129,617.30-626,767,721.40

Finding the Fourth Proportional to 970,753,078.20, 1,456,129,617.30 and 626,767,721.40

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Solution

The fourth proportional to 970,753,078.20, 1,456,129,617.30 and 626,767,721.40 is: 940,151,582.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,753,078.20 : 1,456,129,617.30 = 626,767,721.40 : x
  2. Step 2: Convert to fraction form
    970,753,078.20/1,456,129,617.30 = 626,767,721.40/x
  3. Step 3: Cross multiply
    970,753,078.20x = 1,456,129,617.30 × 626,767,721.40
  4. Step 4: Simplify right side
    970,753,078.20x = 912,655,042,298,174,976
  5. Step 5: Solve for x
    x = 912,655,042,298,174,976/970,753,078.20
  6. Step 6: Final answer
    x = 940,151,582.10

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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.