Home / 2,231,534,392.09-3,347,785,820.68-678,785,357.21

Finding the Fourth Proportional to 2,231,534,392.09, 3,347,785,820.68 and 678,785,357.21

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Solution

The fourth proportional to 2,231,534,392.09, 3,347,785,820.68 and 678,785,357.21 is: 1,018,325,329.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231,534,392.09 : 3,347,785,820.68 = 678,785,357.21 : x
  2. Step 2: Convert to fraction form
    2,231,534,392.09/3,347,785,820.68 = 678,785,357.21/x
  3. Step 3: Cross multiply
    2,231,534,392.09x = 3,347,785,820.68 × 678,785,357.21
  4. Step 4: Simplify right side
    2,231,534,392.09x = 2,272,427,994,134,411,008
  5. Step 5: Solve for x
    x = 2,272,427,994,134,411,008/2,231,534,392.09
  6. Step 6: Final answer
    x = 1,018,325,329.06

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1.5x scale

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.