Home / 787,320,054.15-1,180,980,081.23-775,840,928.55

Finding the Fourth Proportional to 787,320,054.15, 1,180,980,081.23 and 775,840,928.55

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Solution

The fourth proportional to 787,320,054.15, 1,180,980,081.23 and 775,840,928.55 is: 1,163,761,392.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,320,054.15 : 1,180,980,081.23 = 775,840,928.55 : x
  2. Step 2: Convert to fraction form
    787,320,054.15/1,180,980,081.23 = 775,840,928.55/x
  3. Step 3: Cross multiply
    787,320,054.15x = 1,180,980,081.23 × 775,840,928.55
  4. Step 4: Simplify right side
    787,320,054.15x = 916,252,682,816,658,304
  5. Step 5: Solve for x
    x = 916,252,682,816,658,304/787,320,054.15
  6. Step 6: Final answer
    x = 1,163,761,392.83

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Double scale
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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.