Home / 930,945,304.77-1,396,758,464.24-433,193,211.78

Finding the Fourth Proportional to 930,945,304.77, 1,396,758,464.24 and 433,193,211.78

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Solution

The fourth proportional to 930,945,304.77, 1,396,758,464.24 and 433,193,211.78 is: 649,948,264.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,945,304.77 : 1,396,758,464.24 = 433,193,211.78 : x
  2. Step 2: Convert to fraction form
    930,945,304.77/1,396,758,464.24 = 433,193,211.78/x
  3. Step 3: Cross multiply
    930,945,304.77x = 1,396,758,464.24 × 433,193,211.78
  4. Step 4: Simplify right side
    930,945,304.77x = 605,066,285,202,859,776
  5. Step 5: Solve for x
    x = 605,066,285,202,859,776/930,945,304.77
  6. Step 6: Final answer
    x = 649,948,264.52

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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.