Home / 410,373,583.66-615,624,148.42-137,808,123.58

Finding the Fourth Proportional to 410,373,583.66, 615,624,148.42 and 137,808,123.58

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Solution

The fourth proportional to 410,373,583.66, 615,624,148.42 and 137,808,123.58 is: 206,733,601.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,373,583.66 : 615,624,148.42 = 137,808,123.58 : x
  2. Step 2: Convert to fraction form
    410,373,583.66/615,624,148.42 = 137,808,123.58/x
  3. Step 3: Cross multiply
    410,373,583.66x = 615,624,148.42 × 137,808,123.58
  4. Step 4: Simplify right side
    410,373,583.66x = 84,838,008,726,258,992
  5. Step 5: Solve for x
    x = 84,838,008,726,258,992/410,373,583.66
  6. Step 6: Final answer
    x = 206,733,601.05

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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.