Home / 851,833,302.52-1,275,131,628.85-726,167,284.70

Finding the Fourth Proportional to 851,833,302.52, 1,275,131,628.85 and 726,167,284.70

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Solution

The fourth proportional to 851,833,302.52, 1,275,131,628.85 and 726,167,284.70 is: 1,087,018,868.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,833,302.52 : 1,275,131,628.85 = 726,167,284.70 : x
  2. Step 2: Convert to fraction form
    851,833,302.52/1,275,131,628.85 = 726,167,284.70/x
  3. Step 3: Cross multiply
    851,833,302.52x = 1,275,131,628.85 × 726,167,284.70
  4. Step 4: Simplify right side
    851,833,302.52x = 925,958,872,547,086,336
  5. Step 5: Solve for x
    x = 925,958,872,547,086,336/851,833,302.52
  6. Step 6: Final answer
    x = 1,087,018,868.38

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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.