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Finding the Fourth Proportional to 773,448,352.40, 1,158,471,917.40 and 671,411,680.40

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Solution

The fourth proportional to 773,448,352.40, 1,158,471,917.40 and 671,411,680.40 is: 1,005,641,261.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,448,352.40 : 1,158,471,917.40 = 671,411,680.40 : x
  2. Step 2: Convert to fraction form
    773,448,352.40/1,158,471,917.40 = 671,411,680.40/x
  3. Step 3: Cross multiply
    773,448,352.40x = 1,158,471,917.40 × 671,411,680.40
  4. Step 4: Simplify right side
    773,448,352.40x = 777,811,576,757,744,000
  5. Step 5: Solve for x
    x = 777,811,576,757,744,000/773,448,352.40
  6. Step 6: Final answer
    x = 1,005,641,261.43

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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.