Home / 497,668,310.40-746,237,044.80-210,129,110.40

Finding the Fourth Proportional to 497,668,310.40, 746,237,044.80 and 210,129,110.40

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Solution

The fourth proportional to 497,668,310.40, 746,237,044.80 and 210,129,110.40 is: 315,081,597.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,668,310.40 : 746,237,044.80 = 210,129,110.40 : x
  2. Step 2: Convert to fraction form
    497,668,310.40/746,237,044.80 = 210,129,110.40/x
  3. Step 3: Cross multiply
    497,668,310.40x = 746,237,044.80 × 210,129,110.40
  4. Step 4: Simplify right side
    497,668,310.40x = 156,806,126,371,348,928
  5. Step 5: Solve for x
    x = 156,806,126,371,348,928/497,668,310.40
  6. Step 6: Final answer
    x = 315,081,597.71

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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.