Home / 1,128,519,094.50-1,557,215,330.22-626,659,643.61

Finding the Fourth Proportional to 1,128,519,094.50, 1,557,215,330.22 and 626,659,643.61

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Solution

The fourth proportional to 1,128,519,094.50, 1,557,215,330.22 and 626,659,643.61 is: 864,712,000.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,519,094.50 : 1,557,215,330.22 = 626,659,643.61 : x
  2. Step 2: Convert to fraction form
    1,128,519,094.50/1,557,215,330.22 = 626,659,643.61/x
  3. Step 3: Cross multiply
    1,128,519,094.50x = 1,557,215,330.22 × 626,659,643.61
  4. Step 4: Simplify right side
    1,128,519,094.50x = 975,844,003,859,693,696
  5. Step 5: Solve for x
    x = 975,844,003,859,693,696/1,128,519,094.50
  6. Step 6: Final answer
    x = 864,712,000.55

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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.