Home / 747,398,039.39-1,121,092,981.01-304,738,982.36

Finding the Fourth Proportional to 747,398,039.39, 1,121,092,981.01 and 304,738,982.36

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Solution

The fourth proportional to 747,398,039.39, 1,121,092,981.01 and 304,738,982.36 is: 457,106,810.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,398,039.39 : 1,121,092,981.01 = 304,738,982.36 : x
  2. Step 2: Convert to fraction form
    747,398,039.39/1,121,092,981.01 = 304,738,982.36/x
  3. Step 3: Cross multiply
    747,398,039.39x = 1,121,092,981.01 × 304,738,982.36
  4. Step 4: Simplify right side
    747,398,039.39x = 341,640,734,161,885,376
  5. Step 5: Solve for x
    x = 341,640,734,161,885,376/747,398,039.39
  6. Step 6: Final answer
    x = 457,106,810.77

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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.