Home / 523,832,986.68-785,533,294.98-178,814,403.60

Finding the Fourth Proportional to 523,832,986.68, 785,533,294.98 and 178,814,403.60

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Solution

The fourth proportional to 523,832,986.68, 785,533,294.98 and 178,814,403.60 is: 268,147,808.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,832,986.68 : 785,533,294.98 = 178,814,403.60 : x
  2. Step 2: Convert to fraction form
    523,832,986.68/785,533,294.98 = 178,814,403.60/x
  3. Step 3: Cross multiply
    523,832,986.68x = 785,533,294.98 × 178,814,403.60
  4. Step 4: Simplify right side
    523,832,986.68x = 140,464,667,649,791,568
  5. Step 5: Solve for x
    x = 140,464,667,649,791,568/523,832,986.68
  6. Step 6: Final answer
    x = 268,147,808.98

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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.