Home / 806,780,122,393.40-1,210,382,442,411.10-289,933,840,825.95

Finding the Fourth Proportional to 806,780,122,393.40, 1,210,382,442,411.10 and 289,933,840,825.95

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Solution

The fourth proportional to 806,780,122,393.40, 1,210,382,442,411.10 and 289,933,840,825.95 is: 434,977,041,025.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,780,122,393.40 : 1,210,382,442,411.10 = 289,933,840,825.95 : x
  2. Step 2: Convert to fraction form
    806,780,122,393.40/1,210,382,442,411.10 = 289,933,840,825.95/x
  3. Step 3: Cross multiply
    806,780,122,393.40x = 1,210,382,442,411.10 × 289,933,840,825.95
  4. Step 4: Simplify right side
    806,780,122,393.40x = 350,930,830,396,544,472,055,808
  5. Step 5: Solve for x
    x = 350,930,830,396,544,472,055,808/806,780,122,393.40
  6. Step 6: Final answer
    x = 434,977,041,025.09

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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.