Home / 5,428,893,274.56-8,144,652,686.40-1,887,123,407.04

Finding the Fourth Proportional to 5,428,893,274.56, 8,144,652,686.40 and 1,887,123,407.04

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Solution

The fourth proportional to 5,428,893,274.56, 8,144,652,686.40 and 1,887,123,407.04 is: 2,831,141,440.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428,893,274.56 : 8,144,652,686.40 = 1,887,123,407.04 : x
  2. Step 2: Convert to fraction form
    5,428,893,274.56/8,144,652,686.40 = 1,887,123,407.04/x
  3. Step 3: Cross multiply
    5,428,893,274.56x = 8,144,652,686.40 × 1,887,123,407.04
  4. Step 4: Simplify right side
    5,428,893,274.56x = 15,369,964,726,716,655,616
  5. Step 5: Solve for x
    x = 15,369,964,726,716,655,616/5,428,893,274.56
  6. Step 6: Final answer
    x = 2,831,141,440.69

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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.