Home / 917,741,091.26-1,375,631,398.80-523,418,955.14

Finding the Fourth Proportional to 917,741,091.26, 1,375,631,398.80 and 523,418,955.14

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Solution

The fourth proportional to 917,741,091.26, 1,375,631,398.80 and 523,418,955.14 is: 784,569,369.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,741,091.26 : 1,375,631,398.80 = 523,418,955.14 : x
  2. Step 2: Convert to fraction form
    917,741,091.26/1,375,631,398.80 = 523,418,955.14/x
  3. Step 3: Cross multiply
    917,741,091.26x = 1,375,631,398.80 × 523,418,955.14
  4. Step 4: Simplify right side
    917,741,091.26x = 720,031,549,417,672,576
  5. Step 5: Solve for x
    x = 720,031,549,417,672,576/917,741,091.26
  6. Step 6: Final answer
    x = 784,569,369.59

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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.