Home / 653,245,205.40-979,867,808.10-222,423,701.40

Finding the Fourth Proportional to 653,245,205.40, 979,867,808.10 and 222,423,701.40

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Solution

The fourth proportional to 653,245,205.40, 979,867,808.10 and 222,423,701.40 is: 333,635,552.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,245,205.40 : 979,867,808.10 = 222,423,701.40 : x
  2. Step 2: Convert to fraction form
    653,245,205.40/979,867,808.10 = 222,423,701.40/x
  3. Step 3: Cross multiply
    653,245,205.40x = 979,867,808.10 × 222,423,701.40
  4. Step 4: Simplify right side
    653,245,205.40x = 217,945,824,760,306,912
  5. Step 5: Solve for x
    x = 217,945,824,760,306,912/653,245,205.40
  6. Step 6: Final answer
    x = 333,635,552.10

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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.