Home / 880,326,145.20-1,320,489,217.80-805,079,348.40

Finding the Fourth Proportional to 880,326,145.20, 1,320,489,217.80 and 805,079,348.40

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Solution

The fourth proportional to 880,326,145.20, 1,320,489,217.80 and 805,079,348.40 is: 1,207,619,022.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,326,145.20 : 1,320,489,217.80 = 805,079,348.40 : x
  2. Step 2: Convert to fraction form
    880,326,145.20/1,320,489,217.80 = 805,079,348.40/x
  3. Step 3: Cross multiply
    880,326,145.20x = 1,320,489,217.80 × 805,079,348.40
  4. Step 4: Simplify right side
    880,326,145.20x = 1,063,098,599,035,649,664
  5. Step 5: Solve for x
    x = 1,063,098,599,035,649,664/880,326,145.20
  6. Step 6: Final answer
    x = 1,207,619,022.60

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1.5x scale

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.