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Finding the Fourth Proportional to 582,747,437.80, 873,869,214.30 and 291,502,023.40

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Solution

The fourth proportional to 582,747,437.80, 873,869,214.30 and 291,502,023.40 is: 437,127,008.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,747,437.80 : 873,869,214.30 = 291,502,023.40 : x
  2. Step 2: Convert to fraction form
    582,747,437.80/873,869,214.30 = 291,502,023.40/x
  3. Step 3: Cross multiply
    582,747,437.80x = 873,869,214.30 × 291,502,023.40
  4. Step 4: Simplify right side
    582,747,437.80x = 254,734,644,155,418,176
  5. Step 5: Solve for x
    x = 254,734,644,155,418,176/582,747,437.80
  6. Step 6: Final answer
    x = 437,127,008.43

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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.