Home / 645,192,592.40-967,792,387.80-160,518,400.40

Finding the Fourth Proportional to 645,192,592.40, 967,792,387.80 and 160,518,400.40

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Solution

The fourth proportional to 645,192,592.40, 967,792,387.80 and 160,518,400.40 is: 240,778,471.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,192,592.40 : 967,792,387.80 = 160,518,400.40 : x
  2. Step 2: Convert to fraction form
    645,192,592.40/967,792,387.80 = 160,518,400.40/x
  3. Step 3: Cross multiply
    645,192,592.40x = 967,792,387.80 × 160,518,400.40
  4. Step 4: Simplify right side
    645,192,592.40x = 155,348,486,008,952,480
  5. Step 5: Solve for x
    x = 155,348,486,008,952,480/645,192,592.40
  6. Step 6: Final answer
    x = 240,778,471.17

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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.