Home / 815,138,243.55-1,228,152,061.04-737,514,646.74

Finding the Fourth Proportional to 815,138,243.55, 1,228,152,061.04 and 737,514,646.74

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Solution

The fourth proportional to 815,138,243.55, 1,228,152,061.04 and 737,514,646.74 is: 1,111,198,180.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,138,243.55 : 1,228,152,061.04 = 737,514,646.74 : x
  2. Step 2: Convert to fraction form
    815,138,243.55/1,228,152,061.04 = 737,514,646.74/x
  3. Step 3: Cross multiply
    815,138,243.55x = 1,228,152,061.04 × 737,514,646.74
  4. Step 4: Simplify right side
    815,138,243.55x = 905,780,133,437,230,976
  5. Step 5: Solve for x
    x = 905,780,133,437,230,976/815,138,243.55
  6. Step 6: Final answer
    x = 1,111,198,180.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.