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Finding the Fourth Proportional to 663,896,258.10, 930,815,250.30 and 663,896,258.10

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Solution

The fourth proportional to 663,896,258.10, 930,815,250.30 and 663,896,258.10 is: 930,815,250.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,896,258.10 : 930,815,250.30 = 663,896,258.10 : x
  2. Step 2: Convert to fraction form
    663,896,258.10/930,815,250.30 = 663,896,258.10/x
  3. Step 3: Cross multiply
    663,896,258.10x = 930,815,250.30 × 663,896,258.10
  4. Step 4: Simplify right side
    663,896,258.10x = 617,964,761,656,584,832
  5. Step 5: Solve for x
    x = 617,964,761,656,584,832/663,896,258.10
  6. Step 6: Final answer
    x = 930,815,250.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.