Home / 1,152,193,644.19-1,728,144,685-365,254,882.39

Finding the Fourth Proportional to 1,152,193,644.19, 1,728,144,685 and 365,254,882.39

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Solution

The fourth proportional to 1,152,193,644.19, 1,728,144,685 and 365,254,882.39 is: 547,836,109.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,193,644.19 : 1,728,144,685 = 365,254,882.39 : x
  2. Step 2: Convert to fraction form
    1,152,193,644.19/1,728,144,685 = 365,254,882.39/x
  3. Step 3: Cross multiply
    1,152,193,644.19x = 1,728,144,685 × 365,254,882.39
  4. Step 4: Simplify right side
    1,152,193,644.19x = 631,213,283,672,578,560
  5. Step 5: Solve for x
    x = 631,213,283,672,578,560/1,152,193,644.19
  6. Step 6: Final answer
    x = 547,836,109.72

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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.