Home / 412,449,514.29-570,679,155.42-359,636,275.53

Finding the Fourth Proportional to 412,449,514.29, 570,679,155.42 and 359,636,275.53

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Solution

The fourth proportional to 412,449,514.29, 570,679,155.42 and 359,636,275.53 is: 497,604,964.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,449,514.29 : 570,679,155.42 = 359,636,275.53 : x
  2. Step 2: Convert to fraction form
    412,449,514.29/570,679,155.42 = 359,636,275.53/x
  3. Step 3: Cross multiply
    412,449,514.29x = 570,679,155.42 × 359,636,275.53
  4. Step 4: Simplify right side
    412,449,514.29x = 205,236,925,977,854,784
  5. Step 5: Solve for x
    x = 205,236,925,977,854,784/412,449,514.29
  6. Step 6: Final answer
    x = 497,604,964.65

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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.