Home / 787,251,541.47-1,180,420,452.15-372,724,882.74

Finding the Fourth Proportional to 787,251,541.47, 1,180,420,452.15 and 372,724,882.74

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Solution

The fourth proportional to 787,251,541.47, 1,180,420,452.15 and 372,724,882.74 is: 558,871,023.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,251,541.47 : 1,180,420,452.15 = 372,724,882.74 : x
  2. Step 2: Convert to fraction form
    787,251,541.47/1,180,420,452.15 = 372,724,882.74/x
  3. Step 3: Cross multiply
    787,251,541.47x = 1,180,420,452.15 × 372,724,882.74
  4. Step 4: Simplify right side
    787,251,541.47x = 439,972,074,611,506,560
  5. Step 5: Solve for x
    x = 439,972,074,611,506,560/787,251,541.47
  6. Step 6: Final answer
    x = 558,871,023.35

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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.