Home / 1,191,909,621.90-1,644,822,224.97-656,049,829.41

Finding the Fourth Proportional to 1,191,909,621.90, 1,644,822,224.97 and 656,049,829.41

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Solution

The fourth proportional to 1,191,909,621.90, 1,644,822,224.97 and 656,049,829.41 is: 905,341,579.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,909,621.90 : 1,644,822,224.97 = 656,049,829.41 : x
  2. Step 2: Convert to fraction form
    1,191,909,621.90/1,644,822,224.97 = 656,049,829.41/x
  3. Step 3: Cross multiply
    1,191,909,621.90x = 1,644,822,224.97 × 656,049,829.41
  4. Step 4: Simplify right side
    1,191,909,621.90x = 1,079,085,340,102,526,080
  5. Step 5: Solve for x
    x = 1,079,085,340,102,526,080/1,191,909,621.90
  6. Step 6: Final answer
    x = 905,341,579.82

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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.