Home / 298,996,860.20-448,012,400.70-169,218,530.60

Finding the Fourth Proportional to 298,996,860.20, 448,012,400.70 and 169,218,530.60

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Solution

The fourth proportional to 298,996,860.20, 448,012,400.70 and 169,218,530.60 is: 253,554,502.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,996,860.20 : 448,012,400.70 = 169,218,530.60 : x
  2. Step 2: Convert to fraction form
    298,996,860.20/448,012,400.70 = 169,218,530.60/x
  3. Step 3: Cross multiply
    298,996,860.20x = 448,012,400.70 × 169,218,530.60
  4. Step 4: Simplify right side
    298,996,860.20x = 75,812,000,137,032,400
  5. Step 5: Solve for x
    x = 75,812,000,137,032,400/298,996,860.20
  6. Step 6: Final answer
    x = 253,554,502.50

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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.