Home / 702,942,456.04-970,060,568.34-389,675,876.20

Finding the Fourth Proportional to 702,942,456.04, 970,060,568.34 and 389,675,876.20

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Solution

The fourth proportional to 702,942,456.04, 970,060,568.34 and 389,675,876.20 is: 537,752,697.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,942,456.04 : 970,060,568.34 = 389,675,876.20 : x
  2. Step 2: Convert to fraction form
    702,942,456.04/970,060,568.34 = 389,675,876.20/x
  3. Step 3: Cross multiply
    702,942,456.04x = 970,060,568.34 × 389,675,876.20
  4. Step 4: Simplify right side
    702,942,456.04x = 378,009,201,934,959,488
  5. Step 5: Solve for x
    x = 378,009,201,934,959,488/702,942,456.04
  6. Step 6: Final answer
    x = 537,752,697.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.