Home / 266,982,438.80-400,473,658.20-248,275,715.60

Finding the Fourth Proportional to 266,982,438.80, 400,473,658.20 and 248,275,715.60

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Solution

The fourth proportional to 266,982,438.80, 400,473,658.20 and 248,275,715.60 is: 372,413,573.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,982,438.80 : 400,473,658.20 = 248,275,715.60 : x
  2. Step 2: Convert to fraction form
    266,982,438.80/400,473,658.20 = 248,275,715.60/x
  3. Step 3: Cross multiply
    266,982,438.80x = 400,473,658.20 × 248,275,715.60
  4. Step 4: Simplify right side
    266,982,438.80x = 99,427,884,068,554,800
  5. Step 5: Solve for x
    x = 99,427,884,068,554,800/266,982,438.80
  6. Step 6: Final answer
    x = 372,413,573.40

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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.