Home / 1,275,945,540-1,913,918,307.84-306,597,156

Finding the Fourth Proportional to 1,275,945,540, 1,913,918,307.84 and 306,597,156

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Solution

The fourth proportional to 1,275,945,540, 1,913,918,307.84 and 306,597,156 is: 459,895,733.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,945,540 : 1,913,918,307.84 = 306,597,156 : x
  2. Step 2: Convert to fraction form
    1,275,945,540/1,913,918,307.84 = 306,597,156/x
  3. Step 3: Cross multiply
    1,275,945,540x = 1,913,918,307.84 × 306,597,156
  4. Step 4: Simplify right side
    1,275,945,540x = 586,801,910,000,076,416
  5. Step 5: Solve for x
    x = 586,801,910,000,076,416/1,275,945,540
  6. Step 6: Final answer
    x = 459,895,733.48

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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.