Home / 1,211,279,507.86-1,816,933,728.80-337,827,733.22

Finding the Fourth Proportional to 1,211,279,507.86, 1,816,933,728.80 and 337,827,733.22

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Solution

The fourth proportional to 1,211,279,507.86, 1,816,933,728.80 and 337,827,733.22 is: 506,745,634.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,279,507.86 : 1,816,933,728.80 = 337,827,733.22 : x
  2. Step 2: Convert to fraction form
    1,211,279,507.86/1,816,933,728.80 = 337,827,733.22/x
  3. Step 3: Cross multiply
    1,211,279,507.86x = 1,816,933,728.80 × 337,827,733.22
  4. Step 4: Simplify right side
    1,211,279,507.86x = 613,810,603,011,466,240
  5. Step 5: Solve for x
    x = 613,810,603,011,466,240/1,211,279,507.86
  6. Step 6: Final answer
    x = 506,745,634.70

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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.