Home / 28,915,109,752.33-43,349,853,769.13-18,268,894,121.46

Finding the Fourth Proportional to 28,915,109,752.33, 43,349,853,769.13 and 18,268,894,121.46

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Solution

The fourth proportional to 28,915,109,752.33, 43,349,853,769.13 and 18,268,894,121.46 is: 27,388,929,022.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,915,109,752.33 : 43,349,853,769.13 = 18,268,894,121.46 : x
  2. Step 2: Convert to fraction form
    28,915,109,752.33/43,349,853,769.13 = 18,268,894,121.46/x
  3. Step 3: Cross multiply
    28,915,109,752.33x = 43,349,853,769.13 × 18,268,894,121.46
  4. Step 4: Simplify right side
    28,915,109,752.33x = 791,953,888,688,872,882,176
  5. Step 5: Solve for x
    x = 791,953,888,688,872,882,176/28,915,109,752.33
  6. Step 6: Final answer
    x = 27,388,929,022.65

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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.