Home / 1,191,909,440.24-1,644,821,973.85-656,049,648.43

Finding the Fourth Proportional to 1,191,909,440.24, 1,644,821,973.85 and 656,049,648.43

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Solution

The fourth proportional to 1,191,909,440.24, 1,644,821,973.85 and 656,049,648.43 is: 905,341,329.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,909,440.24 : 1,644,821,973.85 = 656,049,648.43 : x
  2. Step 2: Convert to fraction form
    1,191,909,440.24/1,644,821,973.85 = 656,049,648.43/x
  3. Step 3: Cross multiply
    1,191,909,440.24x = 1,644,821,973.85 × 656,049,648.43
  4. Step 4: Simplify right side
    1,191,909,440.24x = 1,079,084,877,664,796,288
  5. Step 5: Solve for x
    x = 1,079,084,877,664,796,288/1,191,909,440.24
  6. Step 6: Final answer
    x = 905,341,329.83

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Double scale
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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.