Home / 1,459,279,298.81-2,191,103,170.62-1,263,150,997.76

Finding the Fourth Proportional to 1,459,279,298.81, 2,191,103,170.62 and 1,263,150,997.76

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Solution

The fourth proportional to 1,459,279,298.81, 2,191,103,170.62 and 1,263,150,997.76 is: 1,896,617,157.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459,279,298.81 : 2,191,103,170.62 = 1,263,150,997.76 : x
  2. Step 2: Convert to fraction form
    1,459,279,298.81/2,191,103,170.62 = 1,263,150,997.76/x
  3. Step 3: Cross multiply
    1,459,279,298.81x = 2,191,103,170.62 × 1,263,150,997.76
  4. Step 4: Simplify right side
    1,459,279,298.81x = 2,767,694,156,152,797,184
  5. Step 5: Solve for x
    x = 2,767,694,156,152,797,184/1,459,279,298.81
  6. Step 6: Final answer
    x = 1,896,617,157.81

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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.