Home / 547,141,195.64-820,762,246.29-178,678,079.00

Finding the Fourth Proportional to 547,141,195.64, 820,762,246.29 and 178,678,079.00

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Solution

The fourth proportional to 547,141,195.64, 820,762,246.29 and 178,678,079.00 is: 268,033,594.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,141,195.64 : 820,762,246.29 = 178,678,079.00 : x
  2. Step 2: Convert to fraction form
    547,141,195.64/820,762,246.29 = 178,678,079.00/x
  3. Step 3: Cross multiply
    547,141,195.64x = 820,762,246.29 × 178,678,079.00
  4. Step 4: Simplify right side
    547,141,195.64x = 146,652,221,478,718,272
  5. Step 5: Solve for x
    x = 146,652,221,478,718,272/547,141,195.64
  6. Step 6: Final answer
    x = 268,033,594.71

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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.