Home / 806,780,122,360.95-1,210,382,442,362.30-289,933,840,793.60

Finding the Fourth Proportional to 806,780,122,360.95, 1,210,382,442,362.30 and 289,933,840,793.60

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Solution

The fourth proportional to 806,780,122,360.95, 1,210,382,442,362.30 and 289,933,840,793.60 is: 434,977,040,976.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,780,122,360.95 : 1,210,382,442,362.30 = 289,933,840,793.60 : x
  2. Step 2: Convert to fraction form
    806,780,122,360.95/1,210,382,442,362.30 = 289,933,840,793.60/x
  3. Step 3: Cross multiply
    806,780,122,360.95x = 1,210,382,442,362.30 × 289,933,840,793.60
  4. Step 4: Simplify right side
    806,780,122,360.95x = 350,930,830,343,239,834,271,744
  5. Step 5: Solve for x
    x = 350,930,830,343,239,834,271,744/806,780,122,360.95
  6. Step 6: Final answer
    x = 434,977,040,976.52

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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.