Home / 1,781,443,093.74-2,672,077,727.40-661,184,729.56

Finding the Fourth Proportional to 1,781,443,093.74, 2,672,077,727.40 and 661,184,729.56

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Solution

The fourth proportional to 1,781,443,093.74, 2,672,077,727.40 and 661,184,729.56 is: 991,744,836.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,443,093.74 : 2,672,077,727.40 = 661,184,729.56 : x
  2. Step 2: Convert to fraction form
    1,781,443,093.74/2,672,077,727.40 = 661,184,729.56/x
  3. Step 3: Cross multiply
    1,781,443,093.74x = 2,672,077,727.40 × 661,184,729.56
  4. Step 4: Simplify right side
    1,781,443,093.74x = 1,766,736,989,554,268,416
  5. Step 5: Solve for x
    x = 1,766,736,989,554,268,416/1,781,443,093.74
  6. Step 6: Final answer
    x = 991,744,836.40

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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.