Home / 919,167,107.13-1,268,449,161.03-501,479,429.40

Finding the Fourth Proportional to 919,167,107.13, 1,268,449,161.03 and 501,479,429.40

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Solution

The fourth proportional to 919,167,107.13, 1,268,449,161.03 and 501,479,429.40 is: 692,040,823.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,167,107.13 : 1,268,449,161.03 = 501,479,429.40 : x
  2. Step 2: Convert to fraction form
    919,167,107.13/1,268,449,161.03 = 501,479,429.40/x
  3. Step 3: Cross multiply
    919,167,107.13x = 1,268,449,161.03 × 501,479,429.40
  4. Step 4: Simplify right side
    919,167,107.13x = 636,101,161,496,233,088
  5. Step 5: Solve for x
    x = 636,101,161,496,233,088/919,167,107.13
  6. Step 6: Final answer
    x = 692,040,823.22

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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.