Home / 804,069,965.80-1,206,104,948.70-722,440,628.20

Finding the Fourth Proportional to 804,069,965.80, 1,206,104,948.70 and 722,440,628.20

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Solution

The fourth proportional to 804,069,965.80, 1,206,104,948.70 and 722,440,628.20 is: 1,083,660,942.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,069,965.80 : 1,206,104,948.70 = 722,440,628.20 : x
  2. Step 2: Convert to fraction form
    804,069,965.80/1,206,104,948.70 = 722,440,628.20/x
  3. Step 3: Cross multiply
    804,069,965.80x = 1,206,104,948.70 × 722,440,628.20
  4. Step 4: Simplify right side
    804,069,965.80x = 871,339,216,813,956,864
  5. Step 5: Solve for x
    x = 871,339,216,813,956,864/804,069,965.80
  6. Step 6: Final answer
    x = 1,083,660,942.30

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1.5x scale

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.