Home / 747,398,039.95-1,121,092,981.86-304,738,982.92

Finding the Fourth Proportional to 747,398,039.95, 1,121,092,981.86 and 304,738,982.92

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Solution

The fourth proportional to 747,398,039.95, 1,121,092,981.86 and 304,738,982.92 is: 457,106,811.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,398,039.95 : 1,121,092,981.86 = 304,738,982.92 : x
  2. Step 2: Convert to fraction form
    747,398,039.95/1,121,092,981.86 = 304,738,982.92/x
  3. Step 3: Cross multiply
    747,398,039.95x = 1,121,092,981.86 × 304,738,982.92
  4. Step 4: Simplify right side
    747,398,039.95x = 341,640,735,050,766,400
  5. Step 5: Solve for x
    x = 341,640,735,050,766,400/747,398,039.95
  6. Step 6: Final answer
    x = 457,106,811.62

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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.