Home / 472,392,448.20-708,588,672.30-127,333,711.80

Finding the Fourth Proportional to 472,392,448.20, 708,588,672.30 and 127,333,711.80

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Solution

The fourth proportional to 472,392,448.20, 708,588,672.30 and 127,333,711.80 is: 191,000,567.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,448.20 : 708,588,672.30 = 127,333,711.80 : x
  2. Step 2: Convert to fraction form
    472,392,448.20/708,588,672.30 = 127,333,711.80/x
  3. Step 3: Cross multiply
    472,392,448.20x = 708,588,672.30 × 127,333,711.80
  4. Step 4: Simplify right side
    472,392,448.20x = 90,227,225,783,392,832
  5. Step 5: Solve for x
    x = 90,227,225,783,392,832/472,392,448.20
  6. Step 6: Final answer
    x = 191,000,567.70

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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.