Home / 356,287,948.60-534,431,922.90-220,239,052.60

Finding the Fourth Proportional to 356,287,948.60, 534,431,922.90 and 220,239,052.60

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Solution

The fourth proportional to 356,287,948.60, 534,431,922.90 and 220,239,052.60 is: 330,358,578.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,287,948.60 : 534,431,922.90 = 220,239,052.60 : x
  2. Step 2: Convert to fraction form
    356,287,948.60/534,431,922.90 = 220,239,052.60/x
  3. Step 3: Cross multiply
    356,287,948.60x = 534,431,922.90 × 220,239,052.60
  4. Step 4: Simplify right side
    356,287,948.60x = 117,702,780,378,692,240
  5. Step 5: Solve for x
    x = 117,702,780,378,692,240/356,287,948.60
  6. Step 6: Final answer
    x = 330,358,578.90

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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.