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Finding the Fourth Proportional to 1,256,315,055.90, 1,884,472,583.85 and 1,256,315,055.90

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Solution

The fourth proportional to 1,256,315,055.90, 1,884,472,583.85 and 1,256,315,055.90 is: 1,884,472,583.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,315,055.90 : 1,884,472,583.85 = 1,256,315,055.90 : x
  2. Step 2: Convert to fraction form
    1,256,315,055.90/1,884,472,583.85 = 1,256,315,055.90/x
  3. Step 3: Cross multiply
    1,256,315,055.90x = 1,884,472,583.85 × 1,256,315,055.90
  4. Step 4: Simplify right side
    1,256,315,055.90x = 2,367,491,279,521,530,368
  5. Step 5: Solve for x
    x = 2,367,491,279,521,530,368/1,256,315,055.90
  6. Step 6: Final answer
    x = 1,884,472,583.85

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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.