Home / 298,930,505.40-448,466,616.90-153,386,530.20

Finding the Fourth Proportional to 298,930,505.40, 448,466,616.90 and 153,386,530.20

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Solution

The fourth proportional to 298,930,505.40, 448,466,616.90 and 153,386,530.20 is: 230,116,154.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,930,505.40 : 448,466,616.90 = 153,386,530.20 : x
  2. Step 2: Convert to fraction form
    298,930,505.40/448,466,616.90 = 153,386,530.20/x
  3. Step 3: Cross multiply
    298,930,505.40x = 448,466,616.90 × 153,386,530.20
  4. Step 4: Simplify right side
    298,930,505.40x = 68,788,738,276,823,672
  5. Step 5: Solve for x
    x = 68,788,738,276,823,672/298,930,505.40
  6. Step 6: Final answer
    x = 230,116,154.20

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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.