Home / 1,128,519,095.50-1,557,215,331.60-626,659,644.61

Finding the Fourth Proportional to 1,128,519,095.50, 1,557,215,331.60 and 626,659,644.61

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Solution

The fourth proportional to 1,128,519,095.50, 1,557,215,331.60 and 626,659,644.61 is: 864,712,001.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,519,095.50 : 1,557,215,331.60 = 626,659,644.61 : x
  2. Step 2: Convert to fraction form
    1,128,519,095.50/1,557,215,331.60 = 626,659,644.61/x
  3. Step 3: Cross multiply
    1,128,519,095.50x = 1,557,215,331.60 × 626,659,644.61
  4. Step 4: Simplify right side
    1,128,519,095.50x = 975,844,006,281,699,328
  5. Step 5: Solve for x
    x = 975,844,006,281,699,328/1,128,519,095.50
  6. Step 6: Final answer
    x = 864,712,001.93

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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.