Home / 680,804,645,947.80-1,021,206,968,921.70-412,625,062,152.60

Finding the Fourth Proportional to 680,804,645,947.80, 1,021,206,968,921.70 and 412,625,062,152.60

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Solution

The fourth proportional to 680,804,645,947.80, 1,021,206,968,921.70 and 412,625,062,152.60 is: 618,937,593,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,804,645,947.80 : 1,021,206,968,921.70 = 412,625,062,152.60 : x
  2. Step 2: Convert to fraction form
    680,804,645,947.80/1,021,206,968,921.70 = 412,625,062,152.60/x
  3. Step 3: Cross multiply
    680,804,645,947.80x = 1,021,206,968,921.70 × 412,625,062,152.60
  4. Step 4: Simplify right side
    680,804,645,947.80x = 421,375,589,021,984,707,575,808
  5. Step 5: Solve for x
    x = 421,375,589,021,984,707,575,808/680,804,645,947.80
  6. Step 6: Final answer
    x = 618,937,593,228.90

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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.