Home / 388,967,410.89-583,452,104.60-158,936,495.55

Finding the Fourth Proportional to 388,967,410.89, 583,452,104.60 and 158,936,495.55

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Solution

The fourth proportional to 388,967,410.89, 583,452,104.60 and 158,936,495.55 is: 238,405,147.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,967,410.89 : 583,452,104.60 = 158,936,495.55 : x
  2. Step 2: Convert to fraction form
    388,967,410.89/583,452,104.60 = 158,936,495.55/x
  3. Step 3: Cross multiply
    388,967,410.89x = 583,452,104.60 × 158,936,495.55
  4. Step 4: Simplify right side
    388,967,410.89x = 92,731,832,825,601,360
  5. Step 5: Solve for x
    x = 92,731,832,825,601,360/388,967,410.89
  6. Step 6: Final answer
    x = 238,405,147.14

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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.