Home / 1,049,076,090.17-1,448,378,363.37-667,813,247.52

Finding the Fourth Proportional to 1,049,076,090.17, 1,448,378,363.37 and 667,813,247.52

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Solution

The fourth proportional to 1,049,076,090.17, 1,448,378,363.37 and 667,813,247.52 is: 921,998,192.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,076,090.17 : 1,448,378,363.37 = 667,813,247.52 : x
  2. Step 2: Convert to fraction form
    1,049,076,090.17/1,448,378,363.37 = 667,813,247.52/x
  3. Step 3: Cross multiply
    1,049,076,090.17x = 1,448,378,363.37 × 667,813,247.52
  4. Step 4: Simplify right side
    1,049,076,090.17x = 967,246,258,476,861,696
  5. Step 5: Solve for x
    x = 967,246,258,476,861,696/1,049,076,090.17
  6. Step 6: Final answer
    x = 921,998,192.07

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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.