Home / 298,863,862.18-412,442,385.51-173,406,584.50

Finding the Fourth Proportional to 298,863,862.18, 412,442,385.51 and 173,406,584.50

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Solution

The fourth proportional to 298,863,862.18, 412,442,385.51 and 173,406,584.50 is: 239,307,037.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,863,862.18 : 412,442,385.51 = 173,406,584.50 : x
  2. Step 2: Convert to fraction form
    298,863,862.18/412,442,385.51 = 173,406,584.50/x
  3. Step 3: Cross multiply
    298,863,862.18x = 412,442,385.51 × 173,406,584.50
  4. Step 4: Simplify right side
    298,863,862.18x = 71,520,225,374,321,392
  5. Step 5: Solve for x
    x = 71,520,225,374,321,392/298,863,862.18
  6. Step 6: Final answer
    x = 239,307,037.17

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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.