Home / 452,709,101.70-679,063,652.55-161,585,721.90

Finding the Fourth Proportional to 452,709,101.70, 679,063,652.55 and 161,585,721.90

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Solution

The fourth proportional to 452,709,101.70, 679,063,652.55 and 161,585,721.90 is: 242,378,582.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,709,101.70 : 679,063,652.55 = 161,585,721.90 : x
  2. Step 2: Convert to fraction form
    452,709,101.70/679,063,652.55 = 161,585,721.90/x
  3. Step 3: Cross multiply
    452,709,101.70x = 679,063,652.55 × 161,585,721.90
  4. Step 4: Simplify right side
    452,709,101.70x = 109,726,990,513,342,528
  5. Step 5: Solve for x
    x = 109,726,990,513,342,528/452,709,101.70
  6. Step 6: Final answer
    x = 242,378,582.85

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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.