Home / 1,428,197,606.20-2,142,296,409.30-1,010,980,991.80

Finding the Fourth Proportional to 1,428,197,606.20, 2,142,296,409.30 and 1,010,980,991.80

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Solution

The fourth proportional to 1,428,197,606.20, 2,142,296,409.30 and 1,010,980,991.80 is: 1,516,471,487.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,197,606.20 : 2,142,296,409.30 = 1,010,980,991.80 : x
  2. Step 2: Convert to fraction form
    1,428,197,606.20/2,142,296,409.30 = 1,010,980,991.80/x
  3. Step 3: Cross multiply
    1,428,197,606.20x = 2,142,296,409.30 × 1,010,980,991.80
  4. Step 4: Simplify right side
    1,428,197,606.20x = 2,165,820,948,603,692,544
  5. Step 5: Solve for x
    x = 2,165,820,948,603,692,544/1,428,197,606.20
  6. Step 6: Final answer
    x = 1,516,471,487.70

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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.