Home / 817,952,605.68-1,128,871,456.92-460,732,139.76

Finding the Fourth Proportional to 817,952,605.68, 1,128,871,456.92 and 460,732,139.76

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Solution

The fourth proportional to 817,952,605.68, 1,128,871,456.92 and 460,732,139.76 is: 635,864,912.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,952,605.68 : 1,128,871,456.92 = 460,732,139.76 : x
  2. Step 2: Convert to fraction form
    817,952,605.68/1,128,871,456.92 = 460,732,139.76/x
  3. Step 3: Cross multiply
    817,952,605.68x = 1,128,871,456.92 × 460,732,139.76
  4. Step 4: Simplify right side
    817,952,605.68x = 520,107,361,860,740,288
  5. Step 5: Solve for x
    x = 520,107,361,860,740,288/817,952,605.68
  6. Step 6: Final answer
    x = 635,864,912.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.