Home / 798,375,284.80-1,101,345,211.36-505,189,913.92

Finding the Fourth Proportional to 798,375,284.80, 1,101,345,211.36 and 505,189,913.92

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Solution

The fourth proportional to 798,375,284.80, 1,101,345,211.36 and 505,189,913.92 is: 696,900,947.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,375,284.80 : 1,101,345,211.36 = 505,189,913.92 : x
  2. Step 2: Convert to fraction form
    798,375,284.80/1,101,345,211.36 = 505,189,913.92/x
  3. Step 3: Cross multiply
    798,375,284.80x = 1,101,345,211.36 × 505,189,913.92
  4. Step 4: Simplify right side
    798,375,284.80x = 556,388,492,523,162,560
  5. Step 5: Solve for x
    x = 556,388,492,523,162,560/798,375,284.80
  6. Step 6: Final answer
    x = 696,900,947.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.