Home / 482,344,981.80-723,521,846.70-137,298,473.16

Finding the Fourth Proportional to 482,344,981.80, 723,521,846.70 and 137,298,473.16

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Solution

The fourth proportional to 482,344,981.80, 723,521,846.70 and 137,298,473.16 is: 205,948,954.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,344,981.80 : 723,521,846.70 = 137,298,473.16 : x
  2. Step 2: Convert to fraction form
    482,344,981.80/723,521,846.70 = 137,298,473.16/x
  3. Step 3: Cross multiply
    482,344,981.80x = 723,521,846.70 × 137,298,473.16
  4. Step 4: Simplify right side
    482,344,981.80x = 99,338,444,849,813,584
  5. Step 5: Solve for x
    x = 99,338,444,849,813,584/482,344,981.80
  6. Step 6: Final answer
    x = 205,948,954.79

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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.