Home / 28,915,109,752.84-43,349,853,769.88-18,268,894,121.96

Finding the Fourth Proportional to 28,915,109,752.84, 43,349,853,769.88 and 18,268,894,121.96

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Solution

The fourth proportional to 28,915,109,752.84, 43,349,853,769.88 and 18,268,894,121.96 is: 27,388,929,023.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,915,109,752.84 : 43,349,853,769.88 = 18,268,894,121.96 : x
  2. Step 2: Convert to fraction form
    28,915,109,752.84/43,349,853,769.88 = 18,268,894,121.96/x
  3. Step 3: Cross multiply
    28,915,109,752.84x = 43,349,853,769.88 × 18,268,894,121.96
  4. Step 4: Simplify right side
    28,915,109,752.84x = 791,953,888,724,169,523,200
  5. Step 5: Solve for x
    x = 791,953,888,724,169,523,200/28,915,109,752.84
  6. Step 6: Final answer
    x = 27,388,929,023.40

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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.