Home / 557,862,485.61-769,827,112.42-303,544,892.29

Finding the Fourth Proportional to 557,862,485.61, 769,827,112.42 and 303,544,892.29

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Solution

The fourth proportional to 557,862,485.61, 769,827,112.42 and 303,544,892.29 is: 418,879,372.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,862,485.61 : 769,827,112.42 = 303,544,892.29 : x
  2. Step 2: Convert to fraction form
    557,862,485.61/769,827,112.42 = 303,544,892.29/x
  3. Step 3: Cross multiply
    557,862,485.61x = 769,827,112.42 × 303,544,892.29
  4. Step 4: Simplify right side
    557,862,485.61x = 233,677,087,921,450,624
  5. Step 5: Solve for x
    x = 233,677,087,921,450,624/557,862,485.61
  6. Step 6: Final answer
    x = 418,879,372.51

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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.