Home / 298,704,008.60-448,056,012.90-266,959,266.20

Finding the Fourth Proportional to 298,704,008.60, 448,056,012.90 and 266,959,266.20

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Solution

The fourth proportional to 298,704,008.60, 448,056,012.90 and 266,959,266.20 is: 400,438,899.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,704,008.60 : 448,056,012.90 = 266,959,266.20 : x
  2. Step 2: Convert to fraction form
    298,704,008.60/448,056,012.90 = 266,959,266.20/x
  3. Step 3: Cross multiply
    298,704,008.60x = 448,056,012.90 × 266,959,266.20
  4. Step 4: Simplify right side
    298,704,008.60x = 119,612,704,420,281,728
  5. Step 5: Solve for x
    x = 119,612,704,420,281,728/298,704,008.60
  6. Step 6: Final answer
    x = 400,438,899.30

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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.