Home / 816,508,932.10-1,224,763,398.15-298,956,256.90

Finding the Fourth Proportional to 816,508,932.10, 1,224,763,398.15 and 298,956,256.90

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Solution

The fourth proportional to 816,508,932.10, 1,224,763,398.15 and 298,956,256.90 is: 448,434,385.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,508,932.10 : 1,224,763,398.15 = 298,956,256.90 : x
  2. Step 2: Convert to fraction form
    816,508,932.10/1,224,763,398.15 = 298,956,256.90/x
  3. Step 3: Cross multiply
    816,508,932.10x = 1,224,763,398.15 × 298,956,256.90
  4. Step 4: Simplify right side
    816,508,932.10x = 366,150,681,099,048,384
  5. Step 5: Solve for x
    x = 366,150,681,099,048,384/816,508,932.10
  6. Step 6: Final answer
    x = 448,434,385.35

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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.