Home / 1,420,005,876-1,959,598,551.84-793,475,761.92

Finding the Fourth Proportional to 1,420,005,876, 1,959,598,551.84 and 793,475,761.92

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Solution

The fourth proportional to 1,420,005,876, 1,959,598,551.84 and 793,475,761.92 is: 1,094,991,211.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,005,876 : 1,959,598,551.84 = 793,475,761.92 : x
  2. Step 2: Convert to fraction form
    1,420,005,876/1,959,598,551.84 = 793,475,761.92/x
  3. Step 3: Cross multiply
    1,420,005,876x = 1,959,598,551.84 × 793,475,761.92
  4. Step 4: Simplify right side
    1,420,005,876x = 1,554,893,953,978,572,544
  5. Step 5: Solve for x
    x = 1,554,893,953,978,572,544/1,420,005,876
  6. Step 6: Final answer
    x = 1,094,991,211.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.