Home / 652,515,945.64-978,941,880.06-192,435,530.92

Finding the Fourth Proportional to 652,515,945.64, 978,941,880.06 and 192,435,530.92

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Solution

The fourth proportional to 652,515,945.64, 978,941,880.06 and 192,435,530.92 is: 288,702,830.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,515,945.64 : 978,941,880.06 = 192,435,530.92 : x
  2. Step 2: Convert to fraction form
    652,515,945.64/978,941,880.06 = 192,435,530.92/x
  3. Step 3: Cross multiply
    652,515,945.64x = 978,941,880.06 × 192,435,530.92
  4. Step 4: Simplify right side
    652,515,945.64x = 188,383,200,429,169,024
  5. Step 5: Solve for x
    x = 188,383,200,429,169,024/652,515,945.64
  6. Step 6: Final answer
    x = 288,702,830.46

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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.