Home / 386,323,266.80-579,484,900.20-232,890,345.20

Finding the Fourth Proportional to 386,323,266.80, 579,484,900.20 and 232,890,345.20

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Solution

The fourth proportional to 386,323,266.80, 579,484,900.20 and 232,890,345.20 is: 349,335,517.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,323,266.80 : 579,484,900.20 = 232,890,345.20 : x
  2. Step 2: Convert to fraction form
    386,323,266.80/579,484,900.20 = 232,890,345.20/x
  3. Step 3: Cross multiply
    386,323,266.80x = 579,484,900.20 × 232,890,345.20
  4. Step 4: Simplify right side
    386,323,266.80x = 134,956,438,445,765,552
  5. Step 5: Solve for x
    x = 134,956,438,445,765,552/386,323,266.80
  6. Step 6: Final answer
    x = 349,335,517.80

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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.