Home / 386,582,562.40-579,236,114.40-329,186,934.40

Finding the Fourth Proportional to 386,582,562.40, 579,236,114.40 and 329,186,934.40

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Solution

The fourth proportional to 386,582,562.40, 579,236,114.40 and 329,186,934.40 is: 493,237,355.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,582,562.40 : 579,236,114.40 = 329,186,934.40 : x
  2. Step 2: Convert to fraction form
    386,582,562.40/579,236,114.40 = 329,186,934.40/x
  3. Step 3: Cross multiply
    386,582,562.40x = 579,236,114.40 × 329,186,934.40
  4. Step 4: Simplify right side
    386,582,562.40x = 190,676,960,793,103,680
  5. Step 5: Solve for x
    x = 190,676,960,793,103,680/386,582,562.40
  6. Step 6: Final answer
    x = 493,237,355.58

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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.