Home / 278,527,029,796.56-417,872,514,125.52-89,869,386,202.32

Finding the Fourth Proportional to 278,527,029,796.56, 417,872,514,125.52 and 89,869,386,202.32

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Solution

The fourth proportional to 278,527,029,796.56, 417,872,514,125.52 and 89,869,386,202.32 is: 134,830,527,517.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,527,029,796.56 : 417,872,514,125.52 = 89,869,386,202.32 : x
  2. Step 2: Convert to fraction form
    278,527,029,796.56/417,872,514,125.52 = 89,869,386,202.32/x
  3. Step 3: Cross multiply
    278,527,029,796.56x = 417,872,514,125.52 × 89,869,386,202.32
  4. Step 4: Simplify right side
    278,527,029,796.56x = 37,553,946,355,280,782,557,184
  5. Step 5: Solve for x
    x = 37,553,946,355,280,782,557,184/278,527,029,796.56
  6. Step 6: Final answer
    x = 134,830,527,517.24

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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.