Home / 839,436,941.70-1,259,155,412.55-264,933,620.10

Finding the Fourth Proportional to 839,436,941.70, 1,259,155,412.55 and 264,933,620.10

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Solution

The fourth proportional to 839,436,941.70, 1,259,155,412.55 and 264,933,620.10 is: 397,400,430.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,436,941.70 : 1,259,155,412.55 = 264,933,620.10 : x
  2. Step 2: Convert to fraction form
    839,436,941.70/1,259,155,412.55 = 264,933,620.10/x
  3. Step 3: Cross multiply
    839,436,941.70x = 1,259,155,412.55 × 264,933,620.10
  4. Step 4: Simplify right side
    839,436,941.70x = 333,592,601,715,380,480
  5. Step 5: Solve for x
    x = 333,592,601,715,380,480/839,436,941.70
  6. Step 6: Final answer
    x = 397,400,430.15

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Double scale
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Similar ratio
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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.