Home / 688,024,084.04-1,031,847,772.39-189,915,523.29

Finding the Fourth Proportional to 688,024,084.04, 1,031,847,772.39 and 189,915,523.29

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Solution

The fourth proportional to 688,024,084.04, 1,031,847,772.39 and 189,915,523.29 is: 284,821,293.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,024,084.04 : 1,031,847,772.39 = 189,915,523.29 : x
  2. Step 2: Convert to fraction form
    688,024,084.04/1,031,847,772.39 = 189,915,523.29/x
  3. Step 3: Cross multiply
    688,024,084.04x = 1,031,847,772.39 × 189,915,523.29
  4. Step 4: Simplify right side
    688,024,084.04x = 195,963,909,648,592,864
  5. Step 5: Solve for x
    x = 195,963,909,648,592,864/688,024,084.04
  6. Step 6: Final answer
    x = 284,821,293.60

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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.