Home / 557,041,695.90-768,734,844.18-306,141,535.37

Finding the Fourth Proportional to 557,041,695.90, 768,734,844.18 and 306,141,535.37

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Solution

The fourth proportional to 557,041,695.90, 768,734,844.18 and 306,141,535.37 is: 422,484,828.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,041,695.90 : 768,734,844.18 = 306,141,535.37 : x
  2. Step 2: Convert to fraction form
    557,041,695.90/768,734,844.18 = 306,141,535.37/x
  3. Step 3: Cross multiply
    557,041,695.90x = 768,734,844.18 × 306,141,535.37
  4. Step 4: Simplify right side
    557,041,695.90x = 235,341,665,485,839,232
  5. Step 5: Solve for x
    x = 235,341,665,485,839,232/557,041,695.90
  6. Step 6: Final answer
    x = 422,484,828.73

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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.