Home / 474,186,724.80-711,280,087.20-311,452,929.60

Finding the Fourth Proportional to 474,186,724.80, 711,280,087.20 and 311,452,929.60

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Solution

The fourth proportional to 474,186,724.80, 711,280,087.20 and 311,452,929.60 is: 467,179,394.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,186,724.80 : 711,280,087.20 = 311,452,929.60 : x
  2. Step 2: Convert to fraction form
    474,186,724.80/711,280,087.20 = 311,452,929.60/x
  3. Step 3: Cross multiply
    474,186,724.80x = 711,280,087.20 × 311,452,929.60
  4. Step 4: Simplify right side
    474,186,724.80x = 221,530,266,924,583,488
  5. Step 5: Solve for x
    x = 221,530,266,924,583,488/474,186,724.80
  6. Step 6: Final answer
    x = 467,179,394.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.