Home / 1,781,443,094.74-2,672,077,728.90-661,184,730.56

Finding the Fourth Proportional to 1,781,443,094.74, 2,672,077,728.90 and 661,184,730.56

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Solution

The fourth proportional to 1,781,443,094.74, 2,672,077,728.90 and 661,184,730.56 is: 991,744,837.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,443,094.74 : 2,672,077,728.90 = 661,184,730.56 : x
  2. Step 2: Convert to fraction form
    1,781,443,094.74/2,672,077,728.90 = 661,184,730.56/x
  3. Step 3: Cross multiply
    1,781,443,094.74x = 2,672,077,728.90 × 661,184,730.56
  4. Step 4: Simplify right side
    1,781,443,094.74x = 1,766,736,993,218,123,008
  5. Step 5: Solve for x
    x = 1,766,736,993,218,123,008/1,781,443,094.74
  6. Step 6: Final answer
    x = 991,744,837.90

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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.