Home / 324,489,038.13-486,733,557.60-78,844,410.81

Finding the Fourth Proportional to 324,489,038.13, 486,733,557.60 and 78,844,410.81

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Solution

The fourth proportional to 324,489,038.13, 486,733,557.60 and 78,844,410.81 is: 118,266,616.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,489,038.13 : 486,733,557.60 = 78,844,410.81 : x
  2. Step 2: Convert to fraction form
    324,489,038.13/486,733,557.60 = 78,844,410.81/x
  3. Step 3: Cross multiply
    324,489,038.13x = 486,733,557.60 × 78,844,410.81
  4. Step 4: Simplify right side
    324,489,038.13x = 38,376,220,570,427,200
  5. Step 5: Solve for x
    x = 38,376,220,570,427,200/324,489,038.13
  6. Step 6: Final answer
    x = 118,266,616.31

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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.