Home / 520,697,202,534.30-781,146,387,028.35-197,974,923,679.73

Finding the Fourth Proportional to 520,697,202,534.30, 781,146,387,028.35 and 197,974,923,679.73

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Solution

The fourth proportional to 520,697,202,534.30, 781,146,387,028.35 and 197,974,923,679.73 is: 297,000,628,391.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,697,202,534.30 : 781,146,387,028.35 = 197,974,923,679.73 : x
  2. Step 2: Convert to fraction form
    520,697,202,534.30/781,146,387,028.35 = 197,974,923,679.73/x
  3. Step 3: Cross multiply
    520,697,202,534.30x = 781,146,387,028.35 × 197,974,923,679.73
  4. Step 4: Simplify right side
    520,697,202,534.30x = 154,647,396,354,634,425,565,184
  5. Step 5: Solve for x
    x = 154,647,396,354,634,425,565,184/520,697,202,534.30
  6. Step 6: Final answer
    x = 297,000,628,391.98

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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.