Home / 660,147,016.80-990,220,525.20-591,272,263.20

Finding the Fourth Proportional to 660,147,016.80, 990,220,525.20 and 591,272,263.20

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Solution

The fourth proportional to 660,147,016.80, 990,220,525.20 and 591,272,263.20 is: 886,908,394.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,147,016.80 : 990,220,525.20 = 591,272,263.20 : x
  2. Step 2: Convert to fraction form
    660,147,016.80/990,220,525.20 = 591,272,263.20/x
  3. Step 3: Cross multiply
    660,147,016.80x = 990,220,525.20 × 591,272,263.20
  4. Step 4: Simplify right side
    660,147,016.80x = 585,489,931,002,096,768
  5. Step 5: Solve for x
    x = 585,489,931,002,096,768/660,147,016.80
  6. Step 6: Final answer
    x = 886,908,394.80

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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.