Home / 756,165,074,366.28-1,043,510,946,582-408,935,353,253.86

Finding the Fourth Proportional to 756,165,074,366.28, 1,043,510,946,582 and 408,935,353,253.86

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Solution

The fourth proportional to 756,165,074,366.28, 1,043,510,946,582 and 408,935,353,253.86 is: 564,332,487,747.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,165,074,366.28 : 1,043,510,946,582 = 408,935,353,253.86 : x
  2. Step 2: Convert to fraction form
    756,165,074,366.28/1,043,510,946,582 = 408,935,353,253.86/x
  3. Step 3: Cross multiply
    756,165,074,366.28x = 1,043,510,946,582 × 408,935,353,253.86
  4. Step 4: Simplify right side
    756,165,074,366.28x = 426,728,517,564,780,020,498,432
  5. Step 5: Solve for x
    x = 426,728,517,564,780,020,498,432/756,165,074,366.28
  6. Step 6: Final answer
    x = 564,332,487,747.35

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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.