Home / 841,231,097.49-1,260,718,720.79-654,710,267.64

Finding the Fourth Proportional to 841,231,097.49, 1,260,718,720.79 and 654,710,267.64

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Solution

The fourth proportional to 841,231,097.49, 1,260,718,720.79 and 654,710,267.64 is: 981,187,563.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,231,097.49 : 1,260,718,720.79 = 654,710,267.64 : x
  2. Step 2: Convert to fraction form
    841,231,097.49/1,260,718,720.79 = 654,710,267.64/x
  3. Step 3: Cross multiply
    841,231,097.49x = 1,260,718,720.79 × 654,710,267.64
  4. Step 4: Simplify right side
    841,231,097.49x = 825,405,491,103,905,792
  5. Step 5: Solve for x
    x = 825,405,491,103,905,792/841,231,097.49
  6. Step 6: Final answer
    x = 981,187,563.76

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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.