Home / 607,919,309.23-839,340,464.71-385,098,724.21

Finding the Fourth Proportional to 607,919,309.23, 839,340,464.71 and 385,098,724.21

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Solution

The fourth proportional to 607,919,309.23, 839,340,464.71 and 385,098,724.21 is: 531,697,113.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,919,309.23 : 839,340,464.71 = 385,098,724.21 : x
  2. Step 2: Convert to fraction form
    607,919,309.23/839,340,464.71 = 385,098,724.21/x
  3. Step 3: Cross multiply
    607,919,309.23x = 839,340,464.71 × 385,098,724.21
  4. Step 4: Simplify right side
    607,919,309.23x = 323,228,942,137,649,536
  5. Step 5: Solve for x
    x = 323,228,942,137,649,536/607,919,309.23
  6. Step 6: Final answer
    x = 531,697,113.79

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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.