Home / 400,874,865-553,197,904.74-235,873,121.64

Finding the Fourth Proportional to 400,874,865, 553,197,904.74 and 235,873,121.64

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Solution

The fourth proportional to 400,874,865, 553,197,904.74 and 235,873,121.64 is: 325,499,371.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,874,865 : 553,197,904.74 = 235,873,121.64 : x
  2. Step 2: Convert to fraction form
    400,874,865/553,197,904.74 = 235,873,121.64/x
  3. Step 3: Cross multiply
    400,874,865x = 553,197,904.74 × 235,873,121.64
  4. Step 4: Simplify right side
    400,874,865x = 130,484,516,675,731,152
  5. Step 5: Solve for x
    x = 130,484,516,675,731,152/400,874,865
  6. Step 6: Final answer
    x = 325,499,371.67

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.