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Finding the Fourth Proportional to 577,369,213.80, 866,053,820.70 and 270,692,327.40

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Solution

The fourth proportional to 577,369,213.80, 866,053,820.70 and 270,692,327.40 is: 406,038,491.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,369,213.80 : 866,053,820.70 = 270,692,327.40 : x
  2. Step 2: Convert to fraction form
    577,369,213.80/866,053,820.70 = 270,692,327.40/x
  3. Step 3: Cross multiply
    577,369,213.80x = 866,053,820.70 × 270,692,327.40
  4. Step 4: Simplify right side
    577,369,213.80x = 234,434,124,378,945,280
  5. Step 5: Solve for x
    x = 234,434,124,378,945,280/577,369,213.80
  6. Step 6: Final answer
    x = 406,038,491.10

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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.