Home / 681,289,264.36-1,022,018,884.98-266,712,533.92

Finding the Fourth Proportional to 681,289,264.36, 1,022,018,884.98 and 266,712,533.92

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Solution

The fourth proportional to 681,289,264.36, 1,022,018,884.98 and 266,712,533.92 is: 400,102,072.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,289,264.36 : 1,022,018,884.98 = 266,712,533.92 : x
  2. Step 2: Convert to fraction form
    681,289,264.36/1,022,018,884.98 = 266,712,533.92/x
  3. Step 3: Cross multiply
    681,289,264.36x = 1,022,018,884.98 × 266,712,533.92
  4. Step 4: Simplify right side
    681,289,264.36x = 272,585,246,527,108,832
  5. Step 5: Solve for x
    x = 272,585,246,527,108,832/681,289,264.36
  6. Step 6: Final answer
    x = 400,102,072.33

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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.