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Finding the Fourth Proportional to 577,368,334.80, 866,052,502.20 and 270,691,448.40

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Solution

The fourth proportional to 577,368,334.80, 866,052,502.20 and 270,691,448.40 is: 406,037,172.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,368,334.80 : 866,052,502.20 = 270,691,448.40 : x
  2. Step 2: Convert to fraction form
    577,368,334.80/866,052,502.20 = 270,691,448.40/x
  3. Step 3: Cross multiply
    577,368,334.80x = 866,052,502.20 × 270,691,448.40
  4. Step 4: Simplify right side
    577,368,334.80x = 234,433,006,210,962,176
  5. Step 5: Solve for x
    x = 234,433,006,210,962,176/577,368,334.80
  6. Step 6: Final answer
    x = 406,037,172.60

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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.