Home / 499,351,301.40-749,026,952.10-305,859,538.20

Finding the Fourth Proportional to 499,351,301.40, 749,026,952.10 and 305,859,538.20

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Solution

The fourth proportional to 499,351,301.40, 749,026,952.10 and 305,859,538.20 is: 458,789,307.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,351,301.40 : 749,026,952.10 = 305,859,538.20 : x
  2. Step 2: Convert to fraction form
    499,351,301.40/749,026,952.10 = 305,859,538.20/x
  3. Step 3: Cross multiply
    499,351,301.40x = 749,026,952.10 × 305,859,538.20
  4. Step 4: Simplify right side
    499,351,301.40x = 229,097,037,668,659,520
  5. Step 5: Solve for x
    x = 229,097,037,668,659,520/499,351,301.40
  6. Step 6: Final answer
    x = 458,789,307.30

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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.