Home / 364,833,787.20-547,343,992.80-257,338,363.20

Finding the Fourth Proportional to 364,833,787.20, 547,343,992.80 and 257,338,363.20

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Solution

The fourth proportional to 364,833,787.20, 547,343,992.80 and 257,338,363.20 is: 386,073,363.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,833,787.20 : 547,343,992.80 = 257,338,363.20 : x
  2. Step 2: Convert to fraction form
    364,833,787.20/547,343,992.80 = 257,338,363.20/x
  3. Step 3: Cross multiply
    364,833,787.20x = 547,343,992.80 × 257,338,363.20
  4. Step 4: Simplify right side
    364,833,787.20x = 140,852,607,214,504,560
  5. Step 5: Solve for x
    x = 140,852,607,214,504,560/364,833,787.20
  6. Step 6: Final answer
    x = 386,073,363.15

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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.