Home / 917,741,088.75-1,375,631,395.07-523,418,952.63

Finding the Fourth Proportional to 917,741,088.75, 1,375,631,395.07 and 523,418,952.63

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Solution

The fourth proportional to 917,741,088.75, 1,375,631,395.07 and 523,418,952.63 is: 784,569,365.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,741,088.75 : 1,375,631,395.07 = 523,418,952.63 : x
  2. Step 2: Convert to fraction form
    917,741,088.75/1,375,631,395.07 = 523,418,952.63/x
  3. Step 3: Cross multiply
    917,741,088.75x = 1,375,631,395.07 × 523,418,952.63
  4. Step 4: Simplify right side
    917,741,088.75x = 720,031,544,002,989,952
  5. Step 5: Solve for x
    x = 720,031,544,002,989,952/917,741,088.75
  6. Step 6: Final answer
    x = 784,569,365.84

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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.