Home / 1,155,446,899.23-1,594,516,721.10-660,420,236.55

Finding the Fourth Proportional to 1,155,446,899.23, 1,594,516,721.10 and 660,420,236.55

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Solution

The fourth proportional to 1,155,446,899.23, 1,594,516,721.10 and 660,420,236.55 is: 911,379,926.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,446,899.23 : 1,594,516,721.10 = 660,420,236.55 : x
  2. Step 2: Convert to fraction form
    1,155,446,899.23/1,594,516,721.10 = 660,420,236.55/x
  3. Step 3: Cross multiply
    1,155,446,899.23x = 1,594,516,721.10 × 660,420,236.55
  4. Step 4: Simplify right side
    1,155,446,899.23x = 1,053,051,110,131,792,256
  5. Step 5: Solve for x
    x = 1,053,051,110,131,792,256/1,155,446,899.23
  6. Step 6: Final answer
    x = 911,379,926.53

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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.