Home / 612,812,017-845,941,526-411,985,363.50

Finding the Fourth Proportional to 612,812,017, 845,941,526 and 411,985,363.50

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Solution

The fourth proportional to 612,812,017, 845,941,526 and 411,985,363.50 is: 568,715,229.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,812,017 : 845,941,526 = 411,985,363.50 : x
  2. Step 2: Convert to fraction form
    612,812,017/845,941,526 = 411,985,363.50/x
  3. Step 3: Cross multiply
    612,812,017x = 845,941,526 × 411,985,363.50
  4. Step 4: Simplify right side
    612,812,017x = 348,515,527,088,854,720
  5. Step 5: Solve for x
    x = 348,515,527,088,854,720/612,812,017
  6. Step 6: Final answer
    x = 568,715,229.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.