Home / 557,041,697.40-768,734,846.25-306,141,536.87

Finding the Fourth Proportional to 557,041,697.40, 768,734,846.25 and 306,141,536.87

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Solution

The fourth proportional to 557,041,697.40, 768,734,846.25 and 306,141,536.87 is: 422,484,830.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,041,697.40 : 768,734,846.25 = 306,141,536.87 : x
  2. Step 2: Convert to fraction form
    557,041,697.40/768,734,846.25 = 306,141,536.87/x
  3. Step 3: Cross multiply
    557,041,697.40x = 768,734,846.25 × 306,141,536.87
  4. Step 4: Simplify right side
    557,041,697.40x = 235,341,667,272,654,496
  5. Step 5: Solve for x
    x = 235,341,667,272,654,496/557,041,697.40
  6. Step 6: Final answer
    x = 422,484,830.80

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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.