Home / 557,083,473.24-768,782,158.38-306,215,254.20

Finding the Fourth Proportional to 557,083,473.24, 768,782,158.38 and 306,215,254.20

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Solution

The fourth proportional to 557,083,473.24, 768,782,158.38 and 306,215,254.20 is: 422,580,879.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,083,473.24 : 768,782,158.38 = 306,215,254.20 : x
  2. Step 2: Convert to fraction form
    557,083,473.24/768,782,158.38 = 306,215,254.20/x
  3. Step 3: Cross multiply
    557,083,473.24x = 768,782,158.38 × 306,215,254.20
  4. Step 4: Simplify right side
    557,083,473.24x = 235,412,824,052,756,352
  5. Step 5: Solve for x
    x = 235,412,824,052,756,352/557,083,473.24
  6. Step 6: Final answer
    x = 422,580,879.46

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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.