Home / 829,044,400.80-1,243,566,601.20-254,541,079.20

Finding the Fourth Proportional to 829,044,400.80, 1,243,566,601.20 and 254,541,079.20

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Solution

The fourth proportional to 829,044,400.80, 1,243,566,601.20 and 254,541,079.20 is: 381,811,618.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,044,400.80 : 1,243,566,601.20 = 254,541,079.20 : x
  2. Step 2: Convert to fraction form
    829,044,400.80/1,243,566,601.20 = 254,541,079.20/x
  3. Step 3: Cross multiply
    829,044,400.80x = 1,243,566,601.20 × 254,541,079.20
  4. Step 4: Simplify right side
    829,044,400.80x = 316,538,784,726,524,032
  5. Step 5: Solve for x
    x = 316,538,784,726,524,032/829,044,400.80
  6. Step 6: Final answer
    x = 381,811,618.80

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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.