Home / 806,780,122,360.60-1,210,382,442,361.90-289,933,840,793.10

Finding the Fourth Proportional to 806,780,122,360.60, 1,210,382,442,361.90 and 289,933,840,793.10

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Solution

The fourth proportional to 806,780,122,360.60, 1,210,382,442,361.90 and 289,933,840,793.10 is: 434,977,040,975.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,780,122,360.60 : 1,210,382,442,361.90 = 289,933,840,793.10 : x
  2. Step 2: Convert to fraction form
    806,780,122,360.60/1,210,382,442,361.90 = 289,933,840,793.10/x
  3. Step 3: Cross multiply
    806,780,122,360.60x = 1,210,382,442,361.90 × 289,933,840,793.10
  4. Step 4: Simplify right side
    806,780,122,360.60x = 350,930,830,342,518,615,310,336
  5. Step 5: Solve for x
    x = 350,930,830,342,518,615,310,336/806,780,122,360.60
  6. Step 6: Final answer
    x = 434,977,040,975.81

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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.