Home / 745,760,025.95-1,028,968,862.83-481,385,400.08

Finding the Fourth Proportional to 745,760,025.95, 1,028,968,862.83 and 481,385,400.08

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Solution

The fourth proportional to 745,760,025.95, 1,028,968,862.83 and 481,385,400.08 is: 664,195,680.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,760,025.95 : 1,028,968,862.83 = 481,385,400.08 : x
  2. Step 2: Convert to fraction form
    745,760,025.95/1,028,968,862.83 = 481,385,400.08/x
  3. Step 3: Cross multiply
    745,760,025.95x = 1,028,968,862.83 × 481,385,400.08
  4. Step 4: Simplify right side
    745,760,025.95x = 495,330,587,696,933,888
  5. Step 5: Solve for x
    x = 495,330,587,696,933,888/745,760,025.95
  6. Step 6: Final answer
    x = 664,195,680.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.