Home / 1,179,936,719.60-1,769,905,079.40-812,604,700.40

Finding the Fourth Proportional to 1,179,936,719.60, 1,769,905,079.40 and 812,604,700.40

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Solution

The fourth proportional to 1,179,936,719.60, 1,769,905,079.40 and 812,604,700.40 is: 1,218,907,050.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,936,719.60 : 1,769,905,079.40 = 812,604,700.40 : x
  2. Step 2: Convert to fraction form
    1,179,936,719.60/1,769,905,079.40 = 812,604,700.40/x
  3. Step 3: Cross multiply
    1,179,936,719.60x = 1,769,905,079.40 × 812,604,700.40
  4. Step 4: Simplify right side
    1,179,936,719.60x = 1,438,233,186,782,275,328
  5. Step 5: Solve for x
    x = 1,438,233,186,782,275,328/1,179,936,719.60
  6. Step 6: Final answer
    x = 1,218,907,050.60

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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.