Home / 917,741,091.20-1,375,631,398.71-523,418,955.08

Finding the Fourth Proportional to 917,741,091.20, 1,375,631,398.71 and 523,418,955.08

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Solution

The fourth proportional to 917,741,091.20, 1,375,631,398.71 and 523,418,955.08 is: 784,569,369.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,741,091.20 : 1,375,631,398.71 = 523,418,955.08 : x
  2. Step 2: Convert to fraction form
    917,741,091.20/1,375,631,398.71 = 523,418,955.08/x
  3. Step 3: Cross multiply
    917,741,091.20x = 1,375,631,398.71 × 523,418,955.08
  4. Step 4: Simplify right side
    917,741,091.20x = 720,031,549,281,148,928
  5. Step 5: Solve for x
    x = 720,031,549,281,148,928/917,741,091.20
  6. Step 6: Final answer
    x = 784,569,369.50

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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.