Home / 7,811,699,757.75-10,780,149,864.74-4,291,661,321.91

Finding the Fourth Proportional to 7,811,699,757.75, 10,780,149,864.74 and 4,291,661,321.91

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Solution

The fourth proportional to 7,811,699,757.75, 10,780,149,864.74 and 4,291,661,321.91 is: 5,922,494,931.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,811,699,757.75 : 10,780,149,864.74 = 4,291,661,321.91 : x
  2. Step 2: Convert to fraction form
    7,811,699,757.75/10,780,149,864.74 = 4,291,661,321.91/x
  3. Step 3: Cross multiply
    7,811,699,757.75x = 10,780,149,864.74 × 4,291,661,321.91
  4. Step 4: Simplify right side
    7,811,699,757.75x = 46,264,752,218,876,518,400
  5. Step 5: Solve for x
    x = 46,264,752,218,876,518,400/7,811,699,757.75
  6. Step 6: Final answer
    x = 5,922,494,931.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.