Home / 726,764,707.20-1,090,147,060.80-670,644,537.60

Finding the Fourth Proportional to 726,764,707.20, 1,090,147,060.80 and 670,644,537.60

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Solution

The fourth proportional to 726,764,707.20, 1,090,147,060.80 and 670,644,537.60 is: 1,005,966,806.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,764,707.20 : 1,090,147,060.80 = 670,644,537.60 : x
  2. Step 2: Convert to fraction form
    726,764,707.20/1,090,147,060.80 = 670,644,537.60/x
  3. Step 3: Cross multiply
    726,764,707.20x = 1,090,147,060.80 × 670,644,537.60
  4. Step 4: Simplify right side
    726,764,707.20x = 731,101,171,506,215,040
  5. Step 5: Solve for x
    x = 731,101,171,506,215,040/726,764,707.20
  6. Step 6: Final answer
    x = 1,005,966,806.40

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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.