Home / 764,948,287.60-1,147,422,431.40-247,431,041.80

Finding the Fourth Proportional to 764,948,287.60, 1,147,422,431.40 and 247,431,041.80

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Solution

The fourth proportional to 764,948,287.60, 1,147,422,431.40 and 247,431,041.80 is: 371,146,562.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,948,287.60 : 1,147,422,431.40 = 247,431,041.80 : x
  2. Step 2: Convert to fraction form
    764,948,287.60/1,147,422,431.40 = 247,431,041.80/x
  3. Step 3: Cross multiply
    764,948,287.60x = 1,147,422,431.40 × 247,431,041.80
  4. Step 4: Simplify right side
    764,948,287.60x = 283,907,927,585,991,072
  5. Step 5: Solve for x
    x = 283,907,927,585,991,072/764,948,287.60
  6. Step 6: Final answer
    x = 371,146,562.70

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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.