Home / 525,016,838.21-787,423,091.42-151,498,464.39

Finding the Fourth Proportional to 525,016,838.21, 787,423,091.42 and 151,498,464.39

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Solution

The fourth proportional to 525,016,838.21, 787,423,091.42 and 151,498,464.39 is: 227,218,215.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,016,838.21 : 787,423,091.42 = 151,498,464.39 : x
  2. Step 2: Convert to fraction form
    525,016,838.21/787,423,091.42 = 151,498,464.39/x
  3. Step 3: Cross multiply
    525,016,838.21x = 787,423,091.42 × 151,498,464.39
  4. Step 4: Simplify right side
    525,016,838.21x = 119,293,389,175,735,328
  5. Step 5: Solve for x
    x = 119,293,389,175,735,328/525,016,838.21
  6. Step 6: Final answer
    x = 227,218,215.67

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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.