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Finding the Fourth Proportional to 1,978,019,740.30, 2,967,029,610.45 and 504,156,700.30

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Solution

The fourth proportional to 1,978,019,740.30, 2,967,029,610.45 and 504,156,700.30 is: 756,235,050.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978,019,740.30 : 2,967,029,610.45 = 504,156,700.30 : x
  2. Step 2: Convert to fraction form
    1,978,019,740.30/2,967,029,610.45 = 504,156,700.30/x
  3. Step 3: Cross multiply
    1,978,019,740.30x = 2,967,029,610.45 × 504,156,700.30
  4. Step 4: Simplify right side
    1,978,019,740.30x = 1,495,847,858,096,866,304
  5. Step 5: Solve for x
    x = 1,495,847,858,096,866,304/1,978,019,740.30
  6. Step 6: Final answer
    x = 756,235,050.45

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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.