Home / 652,829,498.40-979,244,247.60-458,959,821.60

Finding the Fourth Proportional to 652,829,498.40, 979,244,247.60 and 458,959,821.60

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Solution

The fourth proportional to 652,829,498.40, 979,244,247.60 and 458,959,821.60 is: 688,439,732.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,829,498.40 : 979,244,247.60 = 458,959,821.60 : x
  2. Step 2: Convert to fraction form
    652,829,498.40/979,244,247.60 = 458,959,821.60/x
  3. Step 3: Cross multiply
    652,829,498.40x = 979,244,247.60 × 458,959,821.60
  4. Step 4: Simplify right side
    652,829,498.40x = 449,433,765,181,322,240
  5. Step 5: Solve for x
    x = 449,433,765,181,322,240/652,829,498.40
  6. Step 6: Final answer
    x = 688,439,732.40

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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.