Home / 264,406,427.40-396,672,626.70-127,979,617.80

Finding the Fourth Proportional to 264,406,427.40, 396,672,626.70 and 127,979,617.80

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Solution

The fourth proportional to 264,406,427.40, 396,672,626.70 and 127,979,617.80 is: 191,999,913.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,406,427.40 : 396,672,626.70 = 127,979,617.80 : x
  2. Step 2: Convert to fraction form
    264,406,427.40/396,672,626.70 = 127,979,617.80/x
  3. Step 3: Cross multiply
    264,406,427.40x = 396,672,626.70 × 127,979,617.80
  4. Step 4: Simplify right side
    264,406,427.40x = 50,766,011,156,788,072
  5. Step 5: Solve for x
    x = 50,766,011,156,788,072/264,406,427.40
  6. Step 6: Final answer
    x = 191,999,913.38

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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.