Home / 340,826,632.30-511,239,948.45-286,407,073.90

Finding the Fourth Proportional to 340,826,632.30, 511,239,948.45 and 286,407,073.90

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Solution

The fourth proportional to 340,826,632.30, 511,239,948.45 and 286,407,073.90 is: 429,610,610.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,826,632.30 : 511,239,948.45 = 286,407,073.90 : x
  2. Step 2: Convert to fraction form
    340,826,632.30/511,239,948.45 = 286,407,073.90/x
  3. Step 3: Cross multiply
    340,826,632.30x = 511,239,948.45 × 286,407,073.90
  4. Step 4: Simplify right side
    340,826,632.30x = 146,422,737,696,351,328
  5. Step 5: Solve for x
    x = 146,422,737,696,351,328/340,826,632.30
  6. Step 6: Final answer
    x = 429,610,610.85

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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.