Home / 298,704,011.60-448,056,017.40-266,959,269.20

Finding the Fourth Proportional to 298,704,011.60, 448,056,017.40 and 266,959,269.20

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Solution

The fourth proportional to 298,704,011.60, 448,056,017.40 and 266,959,269.20 is: 400,438,903.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,704,011.60 : 448,056,017.40 = 266,959,269.20 : x
  2. Step 2: Convert to fraction form
    298,704,011.60/448,056,017.40 = 266,959,269.20/x
  3. Step 3: Cross multiply
    298,704,011.60x = 448,056,017.40 × 266,959,269.20
  4. Step 4: Simplify right side
    298,704,011.60x = 119,612,706,965,766,480
  5. Step 5: Solve for x
    x = 119,612,706,965,766,480/298,704,011.60
  6. Step 6: Final answer
    x = 400,438,903.80

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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.