Home / 1,087,369,672.80-1,632,116,192.40-542,726,191.20

Finding the Fourth Proportional to 1,087,369,672.80, 1,632,116,192.40 and 542,726,191.20

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Solution

The fourth proportional to 1,087,369,672.80, 1,632,116,192.40 and 542,726,191.20 is: 814,619,192.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,369,672.80 : 1,632,116,192.40 = 542,726,191.20 : x
  2. Step 2: Convert to fraction form
    1,087,369,672.80/1,632,116,192.40 = 542,726,191.20/x
  3. Step 3: Cross multiply
    1,087,369,672.80x = 1,632,116,192.40 × 542,726,191.20
  4. Step 4: Simplify right side
    1,087,369,672.80x = 885,792,204,697,098,496
  5. Step 5: Solve for x
    x = 885,792,204,697,098,496/1,087,369,672.80
  6. Step 6: Final answer
    x = 814,619,192.40

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1.5x scale

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.