Home / 7,665,978,320.40-11,498,967,480.60-4,910,988,176.40

Finding the Fourth Proportional to 7,665,978,320.40, 11,498,967,480.60 and 4,910,988,176.40

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Solution

The fourth proportional to 7,665,978,320.40, 11,498,967,480.60 and 4,910,988,176.40 is: 7,366,482,264.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,665,978,320.40 : 11,498,967,480.60 = 4,910,988,176.40 : x
  2. Step 2: Convert to fraction form
    7,665,978,320.40/11,498,967,480.60 = 4,910,988,176.40/x
  3. Step 3: Cross multiply
    7,665,978,320.40x = 11,498,967,480.60 × 4,910,988,176.40
  4. Step 4: Simplify right side
    7,665,978,320.40x = 56,471,293,338,034,692,096
  5. Step 5: Solve for x
    x = 56,471,293,338,034,692,096/7,665,978,320.40
  6. Step 6: Final answer
    x = 7,366,482,264.60

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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.