Home / 2,514,979,432.48-3,754,785,768.68-1,921,664,528.32

Finding the Fourth Proportional to 2,514,979,432.48, 3,754,785,768.68 and 1,921,664,528.32

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Solution

The fourth proportional to 2,514,979,432.48, 3,754,785,768.68 and 1,921,664,528.32 is: 2,868,985,141.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,514,979,432.48 : 3,754,785,768.68 = 1,921,664,528.32 : x
  2. Step 2: Convert to fraction form
    2,514,979,432.48/3,754,785,768.68 = 1,921,664,528.32/x
  3. Step 3: Cross multiply
    2,514,979,432.48x = 3,754,785,768.68 × 1,921,664,528.32
  4. Step 4: Simplify right side
    2,514,979,432.48x = 7,215,438,623,113,100,288
  5. Step 5: Solve for x
    x = 7,215,438,623,113,100,288/2,514,979,432.48
  6. Step 6: Final answer
    x = 2,868,985,141.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.