Home / 542,739,654.36-813,785,893.02-368,077,436.28

Finding the Fourth Proportional to 542,739,654.36, 813,785,893.02 and 368,077,436.28

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Solution

The fourth proportional to 542,739,654.36, 813,785,893.02 and 368,077,436.28 is: 551,896,701.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,739,654.36 : 813,785,893.02 = 368,077,436.28 : x
  2. Step 2: Convert to fraction form
    542,739,654.36/813,785,893.02 = 368,077,436.28/x
  3. Step 3: Cross multiply
    542,739,654.36x = 813,785,893.02 × 368,077,436.28
  4. Step 4: Simplify right side
    542,739,654.36x = 299,536,225,183,631,936
  5. Step 5: Solve for x
    x = 299,536,225,183,631,936/542,739,654.36
  6. Step 6: Final answer
    x = 551,896,701.81

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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.