Home / 490,887,714.60-736,195,334.75-136,280,533.46

Finding the Fourth Proportional to 490,887,714.60, 736,195,334.75 and 136,280,533.46

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Solution

The fourth proportional to 490,887,714.60, 736,195,334.75 and 136,280,533.46 is: 204,382,977.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,887,714.60 : 736,195,334.75 = 136,280,533.46 : x
  2. Step 2: Convert to fraction form
    490,887,714.60/736,195,334.75 = 136,280,533.46/x
  3. Step 3: Cross multiply
    490,887,714.60x = 736,195,334.75 × 136,280,533.46
  4. Step 4: Simplify right side
    490,887,714.60x = 100,329,092,952,674,480
  5. Step 5: Solve for x
    x = 100,329,092,952,674,480/490,887,714.60
  6. Step 6: Final answer
    x = 204,382,977.96

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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.