Home / 1,651,591,143.83-2,279,195,651.49-898,909,716.20

Finding the Fourth Proportional to 1,651,591,143.83, 2,279,195,651.49 and 898,909,716.20

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Solution

The fourth proportional to 1,651,591,143.83, 2,279,195,651.49 and 898,909,716.20 is: 1,240,495,339.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,651,591,143.83 : 2,279,195,651.49 = 898,909,716.20 : x
  2. Step 2: Convert to fraction form
    1,651,591,143.83/2,279,195,651.49 = 898,909,716.20/x
  3. Step 3: Cross multiply
    1,651,591,143.83x = 2,279,195,651.49 × 898,909,716.20
  4. Step 4: Simplify right side
    1,651,591,143.83x = 2,048,791,116,245,149,952
  5. Step 5: Solve for x
    x = 2,048,791,116,245,149,952/1,651,591,143.83
  6. Step 6: Final answer
    x = 1,240,495,339.24

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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.