Home / 828,899,630.85-1,144,397,724.87-527,654,915.70

Finding the Fourth Proportional to 828,899,630.85, 1,144,397,724.87 and 527,654,915.70

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Solution

The fourth proportional to 828,899,630.85, 1,144,397,724.87 and 527,654,915.70 is: 728,492,404.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,899,630.85 : 1,144,397,724.87 = 527,654,915.70 : x
  2. Step 2: Convert to fraction form
    828,899,630.85/1,144,397,724.87 = 527,654,915.70/x
  3. Step 3: Cross multiply
    828,899,630.85x = 1,144,397,724.87 × 527,654,915.70
  4. Step 4: Simplify right side
    828,899,630.85x = 603,847,085,043,551,616
  5. Step 5: Solve for x
    x = 603,847,085,043,551,616/828,899,630.85
  6. Step 6: Final answer
    x = 728,492,404.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.