Home / 999,823,711.52-1,499,740,549.86-409,936,158.74

Finding the Fourth Proportional to 999,823,711.52, 1,499,740,549.86 and 409,936,158.74

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Solution

The fourth proportional to 999,823,711.52, 1,499,740,549.86 and 409,936,158.74 is: 614,906,281.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,823,711.52 : 1,499,740,549.86 = 409,936,158.74 : x
  2. Step 2: Convert to fraction form
    999,823,711.52/1,499,740,549.86 = 409,936,158.74/x
  3. Step 3: Cross multiply
    999,823,711.52x = 1,499,740,549.86 × 409,936,158.74
  4. Step 4: Simplify right side
    999,823,711.52x = 614,797,880,116,223,872
  5. Step 5: Solve for x
    x = 614,797,880,116,223,872/999,823,711.52
  6. Step 6: Final answer
    x = 614,906,281.01

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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.