Home / 1,115,344,449.18-1,539,166,832.73-613,542,431.34

Finding the Fourth Proportional to 1,115,344,449.18, 1,539,166,832.73 and 613,542,431.34

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Solution

The fourth proportional to 1,115,344,449.18, 1,539,166,832.73 and 613,542,431.34 is: 846,683,875.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,344,449.18 : 1,539,166,832.73 = 613,542,431.34 : x
  2. Step 2: Convert to fraction form
    1,115,344,449.18/1,539,166,832.73 = 613,542,431.34/x
  3. Step 3: Cross multiply
    1,115,344,449.18x = 1,539,166,832.73 × 613,542,431.34
  4. Step 4: Simplify right side
    1,115,344,449.18x = 944,344,160,791,051,392
  5. Step 5: Solve for x
    x = 944,344,160,791,051,392/1,115,344,449.18
  6. Step 6: Final answer
    x = 846,683,875.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.