Home / 1,432,646,015.20-2,148,969,022.80-397,504,895.20

Finding the Fourth Proportional to 1,432,646,015.20, 2,148,969,022.80 and 397,504,895.20

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Solution

The fourth proportional to 1,432,646,015.20, 2,148,969,022.80 and 397,504,895.20 is: 596,257,342.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,646,015.20 : 2,148,969,022.80 = 397,504,895.20 : x
  2. Step 2: Convert to fraction form
    1,432,646,015.20/2,148,969,022.80 = 397,504,895.20/x
  3. Step 3: Cross multiply
    1,432,646,015.20x = 2,148,969,022.80 × 397,504,895.20
  4. Step 4: Simplify right side
    1,432,646,015.20x = 854,225,706,196,160,512
  5. Step 5: Solve for x
    x = 854,225,706,196,160,512/1,432,646,015.20
  6. Step 6: Final answer
    x = 596,257,342.80

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Double scale
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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.