Home / 262,721,258.40-393,410,041.20-194,192,925.60

Finding the Fourth Proportional to 262,721,258.40, 393,410,041.20 and 194,192,925.60

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Solution

The fourth proportional to 262,721,258.40, 393,410,041.20 and 194,192,925.60 is: 290,792,786.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,721,258.40 : 393,410,041.20 = 194,192,925.60 : x
  2. Step 2: Convert to fraction form
    262,721,258.40/393,410,041.20 = 194,192,925.60/x
  3. Step 3: Cross multiply
    262,721,258.40x = 393,410,041.20 × 194,192,925.60
  4. Step 4: Simplify right side
    262,721,258.40x = 76,397,446,861,044,528
  5. Step 5: Solve for x
    x = 76,397,446,861,044,528/262,721,258.40
  6. Step 6: Final answer
    x = 290,792,786.72

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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.