Home / 806,573,176.20-1,209,859,764.30-397,825,144.20

Finding the Fourth Proportional to 806,573,176.20, 1,209,859,764.30 and 397,825,144.20

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Solution

The fourth proportional to 806,573,176.20, 1,209,859,764.30 and 397,825,144.20 is: 596,737,716.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,573,176.20 : 1,209,859,764.30 = 397,825,144.20 : x
  2. Step 2: Convert to fraction form
    806,573,176.20/1,209,859,764.30 = 397,825,144.20/x
  3. Step 3: Cross multiply
    806,573,176.20x = 1,209,859,764.30 × 397,825,144.20
  4. Step 4: Simplify right side
    806,573,176.20x = 481,312,635,194,425,472
  5. Step 5: Solve for x
    x = 481,312,635,194,425,472/806,573,176.20
  6. Step 6: Final answer
    x = 596,737,716.30

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Double scale
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1.5x scale

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.