Home / 1,252,374,876.86-1,876,928,134.20-699,654,979.22

Finding the Fourth Proportional to 1,252,374,876.86, 1,876,928,134.20 and 699,654,979.22

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Solution

The fourth proportional to 1,252,374,876.86, 1,876,928,134.20 and 699,654,979.22 is: 1,048,569,513.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,374,876.86 : 1,876,928,134.20 = 699,654,979.22 : x
  2. Step 2: Convert to fraction form
    1,252,374,876.86/1,876,928,134.20 = 699,654,979.22/x
  3. Step 3: Cross multiply
    1,252,374,876.86x = 1,876,928,134.20 × 699,654,979.22
  4. Step 4: Simplify right side
    1,252,374,876.86x = 1,313,202,114,721,749,760
  5. Step 5: Solve for x
    x = 1,313,202,114,721,749,760/1,252,374,876.86
  6. Step 6: Final answer
    x = 1,048,569,513.00

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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.