Home / 747,340,072.70-1,121,010,109.06-502,452,059.90

Finding the Fourth Proportional to 747,340,072.70, 1,121,010,109.06 and 502,452,059.90

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Solution

The fourth proportional to 747,340,072.70, 1,121,010,109.06 and 502,452,059.90 is: 753,678,089.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,340,072.70 : 1,121,010,109.06 = 502,452,059.90 : x
  2. Step 2: Convert to fraction form
    747,340,072.70/1,121,010,109.06 = 502,452,059.90/x
  3. Step 3: Cross multiply
    747,340,072.70x = 1,121,010,109.06 × 502,452,059.90
  4. Step 4: Simplify right side
    747,340,072.70x = 563,253,838,465,920,576
  5. Step 5: Solve for x
    x = 563,253,838,465,920,576/747,340,072.70
  6. Step 6: Final answer
    x = 753,678,089.86

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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.