Home / 863,592,315.20-1,293,475,285.20-748,801,059.20

Finding the Fourth Proportional to 863,592,315.20, 1,293,475,285.20 and 748,801,059.20

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Solution

The fourth proportional to 863,592,315.20, 1,293,475,285.20 and 748,801,059.20 is: 1,121,542,707.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,592,315.20 : 1,293,475,285.20 = 748,801,059.20 : x
  2. Step 2: Convert to fraction form
    863,592,315.20/1,293,475,285.20 = 748,801,059.20/x
  3. Step 3: Cross multiply
    863,592,315.20x = 1,293,475,285.20 × 748,801,059.20
  4. Step 4: Simplify right side
    863,592,315.20x = 968,555,663,606,782,208
  5. Step 5: Solve for x
    x = 968,555,663,606,782,208/863,592,315.20
  6. Step 6: Final answer
    x = 1,121,542,707.78

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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.