Home / 645,192,562.90-967,792,343.55-160,518,370.90

Finding the Fourth Proportional to 645,192,562.90, 967,792,343.55 and 160,518,370.90

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Solution

The fourth proportional to 645,192,562.90, 967,792,343.55 and 160,518,370.90 is: 240,778,426.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,192,562.90 : 967,792,343.55 = 160,518,370.90 : x
  2. Step 2: Convert to fraction form
    645,192,562.90/967,792,343.55 = 160,518,370.90/x
  3. Step 3: Cross multiply
    645,192,562.90x = 967,792,343.55 × 160,518,370.90
  4. Step 4: Simplify right side
    645,192,562.90x = 155,348,450,356,139,136
  5. Step 5: Solve for x
    x = 155,348,450,356,139,136/645,192,562.90
  6. Step 6: Final answer
    x = 240,778,426.92

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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.