Home / 298,704,007.60-448,056,011.40-266,959,265.20

Finding the Fourth Proportional to 298,704,007.60, 448,056,011.40 and 266,959,265.20

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Solution

The fourth proportional to 298,704,007.60, 448,056,011.40 and 266,959,265.20 is: 400,438,897.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,704,007.60 : 448,056,011.40 = 266,959,265.20 : x
  2. Step 2: Convert to fraction form
    298,704,007.60/448,056,011.40 = 266,959,265.20/x
  3. Step 3: Cross multiply
    298,704,007.60x = 448,056,011.40 × 266,959,265.20
  4. Step 4: Simplify right side
    298,704,007.60x = 119,612,703,571,786,816
  5. Step 5: Solve for x
    x = 119,612,703,571,786,816/298,704,007.60
  6. Step 6: Final answer
    x = 400,438,897.80

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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.