Home / 1,115,843,876.88-1,674,142,489.08-493,973,327.76

Finding the Fourth Proportional to 1,115,843,876.88, 1,674,142,489.08 and 493,973,327.76

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Solution

The fourth proportional to 1,115,843,876.88, 1,674,142,489.08 and 493,973,327.76 is: 741,126,741.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,843,876.88 : 1,674,142,489.08 = 493,973,327.76 : x
  2. Step 2: Convert to fraction form
    1,115,843,876.88/1,674,142,489.08 = 493,973,327.76/x
  3. Step 3: Cross multiply
    1,115,843,876.88x = 1,674,142,489.08 × 493,973,327.76
  4. Step 4: Simplify right side
    1,115,843,876.88x = 826,981,736,475,256,960
  5. Step 5: Solve for x
    x = 826,981,736,475,256,960/1,115,843,876.88
  6. Step 6: Final answer
    x = 741,126,741.48

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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.