Home / 279,419,869,729.70-419,129,804,594.55-153,601,850,708.90

Finding the Fourth Proportional to 279,419,869,729.70, 419,129,804,594.55 and 153,601,850,708.90

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Solution

The fourth proportional to 279,419,869,729.70, 419,129,804,594.55 and 153,601,850,708.90 is: 230,402,776,063.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,419,869,729.70 : 419,129,804,594.55 = 153,601,850,708.90 : x
  2. Step 2: Convert to fraction form
    279,419,869,729.70/419,129,804,594.55 = 153,601,850,708.90/x
  3. Step 3: Cross multiply
    279,419,869,729.70x = 419,129,804,594.55 × 153,601,850,708.90
  4. Step 4: Simplify right side
    279,419,869,729.70x = 64,379,113,672,982,491,299,840
  5. Step 5: Solve for x
    x = 64,379,113,672,982,491,299,840/279,419,869,729.70
  6. Step 6: Final answer
    x = 230,402,776,063.35

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1.5x scale

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.