Home / 522,890,753.42-783,602,049.80-413,233,860.62

Finding the Fourth Proportional to 522,890,753.42, 783,602,049.80 and 413,233,860.62

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Solution

The fourth proportional to 522,890,753.42, 783,602,049.80 and 413,233,860.62 is: 619,270,656.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,890,753.42 : 783,602,049.80 = 413,233,860.62 : x
  2. Step 2: Convert to fraction form
    522,890,753.42/783,602,049.80 = 413,233,860.62/x
  3. Step 3: Cross multiply
    522,890,753.42x = 783,602,049.80 × 413,233,860.62
  4. Step 4: Simplify right side
    522,890,753.42x = 323,810,900,228,599,488
  5. Step 5: Solve for x
    x = 323,810,900,228,599,488/522,890,753.42
  6. Step 6: Final answer
    x = 619,270,656.65

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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.