Home / 298,278,569.67-447,390,248.58-140,675,446.74

Finding the Fourth Proportional to 298,278,569.67, 447,390,248.58 and 140,675,446.74

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Solution

The fourth proportional to 298,278,569.67, 447,390,248.58 and 140,675,446.74 is: 211,000,150.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,278,569.67 : 447,390,248.58 = 140,675,446.74 : x
  2. Step 2: Convert to fraction form
    298,278,569.67/447,390,248.58 = 140,675,446.74/x
  3. Step 3: Cross multiply
    298,278,569.67x = 447,390,248.58 × 140,675,446.74
  4. Step 4: Simplify right side
    298,278,569.67x = 62,936,823,086,111,152
  5. Step 5: Solve for x
    x = 62,936,823,086,111,152/298,278,569.67
  6. Step 6: Final answer
    x = 211,000,150.48

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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.