Home / 422,975,915.42-583,711,466.20-234,816,933.02

Finding the Fourth Proportional to 422,975,915.42, 583,711,466.20 and 234,816,933.02

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Solution

The fourth proportional to 422,975,915.42, 583,711,466.20 and 234,816,933.02 is: 324,049,978.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,975,915.42 : 583,711,466.20 = 234,816,933.02 : x
  2. Step 2: Convert to fraction form
    422,975,915.42/583,711,466.20 = 234,816,933.02/x
  3. Step 3: Cross multiply
    422,975,915.42x = 583,711,466.20 × 234,816,933.02
  4. Step 4: Simplify right side
    422,975,915.42x = 137,065,336,258,185,776
  5. Step 5: Solve for x
    x = 137,065,336,258,185,776/422,975,915.42
  6. Step 6: Final answer
    x = 324,049,978.41

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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.