Home / 28,288,349,121.00-39,037,960,502.01-15,428,020,171.80

Finding the Fourth Proportional to 28,288,349,121.00, 39,037,960,502.01 and 15,428,020,171.80

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Solution

The fourth proportional to 28,288,349,121.00, 39,037,960,502.01 and 15,428,020,171.80 is: 21,290,688,951.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,288,349,121.00 : 39,037,960,502.01 = 15,428,020,171.80 : x
  2. Step 2: Convert to fraction form
    28,288,349,121.00/39,037,960,502.01 = 15,428,020,171.80/x
  3. Step 3: Cross multiply
    28,288,349,121.00x = 39,037,960,502.01 × 15,428,020,171.80
  4. Step 4: Simplify right side
    28,288,349,121.00x = 602,278,442,090,981,883,904
  5. Step 5: Solve for x
    x = 602,278,442,090,981,883,904/28,288,349,121.00
  6. Step 6: Final answer
    x = 21,290,688,951.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.