Home / 806,780,122,362.10-1,210,382,442,364-289,933,840,794.71

Finding the Fourth Proportional to 806,780,122,362.10, 1,210,382,442,364 and 289,933,840,794.71

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Solution

The fourth proportional to 806,780,122,362.10, 1,210,382,442,364 and 289,933,840,794.71 is: 434,977,040,978.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,780,122,362.10 : 1,210,382,442,364 = 289,933,840,794.71 : x
  2. Step 2: Convert to fraction form
    806,780,122,362.10/1,210,382,442,364 = 289,933,840,794.71/x
  3. Step 3: Cross multiply
    806,780,122,362.10x = 1,210,382,442,364 × 289,933,840,794.71
  4. Step 4: Simplify right side
    806,780,122,362.10x = 350,930,830,345,076,268,335,104
  5. Step 5: Solve for x
    x = 350,930,830,345,076,268,335,104/806,780,122,362.10
  6. Step 6: Final answer
    x = 434,977,040,978.18

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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.