Home / 520,697,202,445.82-781,146,386,896.40-197,974,923,590.94

Finding the Fourth Proportional to 520,697,202,445.82, 781,146,386,896.40 and 197,974,923,590.94

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Solution

The fourth proportional to 520,697,202,445.82, 781,146,386,896.40 and 197,974,923,590.94 is: 297,000,628,259.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,697,202,445.82 : 781,146,386,896.40 = 197,974,923,590.94 : x
  2. Step 2: Convert to fraction form
    520,697,202,445.82/781,146,386,896.40 = 197,974,923,590.94/x
  3. Step 3: Cross multiply
    520,697,202,445.82x = 781,146,386,896.40 × 197,974,923,590.94
  4. Step 4: Simplify right side
    520,697,202,445.82x = 154,647,396,259,153,645,142,016
  5. Step 5: Solve for x
    x = 154,647,396,259,153,645,142,016/520,697,202,445.82
  6. Step 6: Final answer
    x = 297,000,628,259.08

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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.