Home / 520,697,202,515-781,146,386,999.50-197,974,923,660.48

Finding the Fourth Proportional to 520,697,202,515, 781,146,386,999.50 and 197,974,923,660.48

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Solution

The fourth proportional to 520,697,202,515, 781,146,386,999.50 and 197,974,923,660.48 is: 297,000,628,363.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,697,202,515 : 781,146,386,999.50 = 197,974,923,660.48 : x
  2. Step 2: Convert to fraction form
    520,697,202,515/781,146,386,999.50 = 197,974,923,660.48/x
  3. Step 3: Cross multiply
    520,697,202,515x = 781,146,386,999.50 × 197,974,923,660.48
  4. Step 4: Simplify right side
    520,697,202,515x = 154,647,396,333,885,774,102,528
  5. Step 5: Solve for x
    x = 154,647,396,333,885,774,102,528/520,697,202,515
  6. Step 6: Final answer
    x = 297,000,628,363.14

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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.