Home / 557,862,485.18-769,827,111.81-303,544,891.86

Finding the Fourth Proportional to 557,862,485.18, 769,827,111.81 and 303,544,891.86

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Solution

The fourth proportional to 557,862,485.18, 769,827,111.81 and 303,544,891.86 is: 418,879,371.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,862,485.18 : 769,827,111.81 = 303,544,891.86 : x
  2. Step 2: Convert to fraction form
    557,862,485.18/769,827,111.81 = 303,544,891.86/x
  3. Step 3: Cross multiply
    557,862,485.18x = 769,827,111.81 × 303,544,891.86
  4. Step 4: Simplify right side
    557,862,485.18x = 233,677,087,401,237,408
  5. Step 5: Solve for x
    x = 233,677,087,401,237,408/557,862,485.18
  6. Step 6: Final answer
    x = 418,879,371.91

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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.