Home / 806,780,122,115.43-1,210,382,441,995.60-289,933,840,548.47

Finding the Fourth Proportional to 806,780,122,115.43, 1,210,382,441,995.60 and 289,933,840,548.47

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Solution

The fourth proportional to 806,780,122,115.43, 1,210,382,441,995.60 and 289,933,840,548.47 is: 434,977,040,609.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,780,122,115.43 : 1,210,382,441,995.60 = 289,933,840,548.47 : x
  2. Step 2: Convert to fraction form
    806,780,122,115.43/1,210,382,441,995.60 = 289,933,840,548.47/x
  3. Step 3: Cross multiply
    806,780,122,115.43x = 1,210,382,441,995.60 × 289,933,840,548.47
  4. Step 4: Simplify right side
    806,780,122,115.43x = 350,930,829,940,220,034,547,712
  5. Step 5: Solve for x
    x = 350,930,829,940,220,034,547,712/806,780,122,115.43
  6. Step 6: Final answer
    x = 434,977,040,609.35

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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.