Home / 1,279,784,575.60-1,917,991,353.76-541,941,495.77

Finding the Fourth Proportional to 1,279,784,575.60, 1,917,991,353.76 and 541,941,495.77

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Solution

The fourth proportional to 1,279,784,575.60, 1,917,991,353.76 and 541,941,495.77 is: 812,198,492.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,784,575.60 : 1,917,991,353.76 = 541,941,495.77 : x
  2. Step 2: Convert to fraction form
    1,279,784,575.60/1,917,991,353.76 = 541,941,495.77/x
  3. Step 3: Cross multiply
    1,279,784,575.60x = 1,917,991,353.76 × 541,941,495.77
  4. Step 4: Simplify right side
    1,279,784,575.60x = 1,039,439,103,130,621,568
  5. Step 5: Solve for x
    x = 1,039,439,103,130,621,568/1,279,784,575.60
  6. Step 6: Final answer
    x = 812,198,492.58

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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.