Home / 364,248,321.48-502,656,406.20-205,478,787.78

Finding the Fourth Proportional to 364,248,321.48, 502,656,406.20 and 205,478,787.78

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Solution

The fourth proportional to 364,248,321.48, 502,656,406.20 and 205,478,787.78 is: 283,557,185.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,248,321.48 : 502,656,406.20 = 205,478,787.78 : x
  2. Step 2: Convert to fraction form
    364,248,321.48/502,656,406.20 = 205,478,787.78/x
  3. Step 3: Cross multiply
    364,248,321.48x = 502,656,406.20 × 205,478,787.78
  4. Step 4: Simplify right side
    364,248,321.48x = 103,285,229,015,827,280
  5. Step 5: Solve for x
    x = 103,285,229,015,827,280/364,248,321.48
  6. Step 6: Final answer
    x = 283,557,185.92

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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.