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Finding the Fourth Proportional to 577,847,586.80, 866,771,380.20 and 533,631,695.60

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Solution

The fourth proportional to 577,847,586.80, 866,771,380.20 and 533,631,695.60 is: 800,447,543.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,847,586.80 : 866,771,380.20 = 533,631,695.60 : x
  2. Step 2: Convert to fraction form
    577,847,586.80/866,771,380.20 = 533,631,695.60/x
  3. Step 3: Cross multiply
    577,847,586.80x = 866,771,380.20 × 533,631,695.60
  4. Step 4: Simplify right side
    577,847,586.80x = 462,536,681,313,678,336
  5. Step 5: Solve for x
    x = 462,536,681,313,678,336/577,847,586.80
  6. Step 6: Final answer
    x = 800,447,543.40

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1.5x scale

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.