Home / 1,097,943,472.80-1,646,904,711.60-268,900,761.60

Finding the Fourth Proportional to 1,097,943,472.80, 1,646,904,711.60 and 268,900,761.60

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Solution

The fourth proportional to 1,097,943,472.80, 1,646,904,711.60 and 268,900,761.60 is: 403,348,571.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,943,472.80 : 1,646,904,711.60 = 268,900,761.60 : x
  2. Step 2: Convert to fraction form
    1,097,943,472.80/1,646,904,711.60 = 268,900,761.60/x
  3. Step 3: Cross multiply
    1,097,943,472.80x = 1,646,904,711.60 × 268,900,761.60
  4. Step 4: Simplify right side
    1,097,943,472.80x = 442,853,931,231,868,352
  5. Step 5: Solve for x
    x = 442,853,931,231,868,352/1,097,943,472.80
  6. Step 6: Final answer
    x = 403,348,571.40

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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.