Home / 441,216,665.40-661,824,998.10-118,100,537.40

Finding the Fourth Proportional to 441,216,665.40, 661,824,998.10 and 118,100,537.40

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Solution

The fourth proportional to 441,216,665.40, 661,824,998.10 and 118,100,537.40 is: 177,150,806.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,216,665.40 : 661,824,998.10 = 118,100,537.40 : x
  2. Step 2: Convert to fraction form
    441,216,665.40/661,824,998.10 = 118,100,537.40/x
  3. Step 3: Cross multiply
    441,216,665.40x = 661,824,998.10 × 118,100,537.40
  4. Step 4: Simplify right side
    441,216,665.40x = 78,161,887,940,363,984
  5. Step 5: Solve for x
    x = 78,161,887,940,363,984/441,216,665.40
  6. Step 6: Final answer
    x = 177,150,806.10

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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.