Home / 917,741,093.20-1,375,631,401.70-523,418,957.08

Finding the Fourth Proportional to 917,741,093.20, 1,375,631,401.70 and 523,418,957.08

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Solution

The fourth proportional to 917,741,093.20, 1,375,631,401.70 and 523,418,957.08 is: 784,569,372.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,741,093.20 : 1,375,631,401.70 = 523,418,957.08 : x
  2. Step 2: Convert to fraction form
    917,741,093.20/1,375,631,401.70 = 523,418,957.08/x
  3. Step 3: Cross multiply
    917,741,093.20x = 1,375,631,401.70 × 523,418,957.08
  4. Step 4: Simplify right side
    917,741,093.20x = 720,031,553,604,312,576
  5. Step 5: Solve for x
    x = 720,031,553,604,312,576/917,741,093.20
  6. Step 6: Final answer
    x = 784,569,372.49

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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.