Home / 1,344,272,151.29-2,015,258,105.50-515,820,312.81

Finding the Fourth Proportional to 1,344,272,151.29, 2,015,258,105.50 and 515,820,312.81

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Solution

The fourth proportional to 1,344,272,151.29, 2,015,258,105.50 and 515,820,312.81 is: 773,289,147.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,272,151.29 : 2,015,258,105.50 = 515,820,312.81 : x
  2. Step 2: Convert to fraction form
    1,344,272,151.29/2,015,258,105.50 = 515,820,312.81/x
  3. Step 3: Cross multiply
    1,344,272,151.29x = 2,015,258,105.50 × 515,820,312.81
  4. Step 4: Simplify right side
    1,344,272,151.29x = 1,039,511,066,370,608,384
  5. Step 5: Solve for x
    x = 1,039,511,066,370,608,384/1,344,272,151.29
  6. Step 6: Final answer
    x = 773,289,147.87

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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.