Home / 520,697,202,516-781,146,387,001-197,974,923,661.48

Finding the Fourth Proportional to 520,697,202,516, 781,146,387,001 and 197,974,923,661.48

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Solution

The fourth proportional to 520,697,202,516, 781,146,387,001 and 197,974,923,661.48 is: 297,000,628,364.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,697,202,516 : 781,146,387,001 = 197,974,923,661.48 : x
  2. Step 2: Convert to fraction form
    520,697,202,516/781,146,387,001 = 197,974,923,661.48/x
  3. Step 3: Cross multiply
    520,697,202,516x = 781,146,387,001 × 197,974,923,661.48
  4. Step 4: Simplify right side
    520,697,202,516x = 154,647,396,334,963,911,557,120
  5. Step 5: Solve for x
    x = 154,647,396,334,963,911,557,120/520,697,202,516
  6. Step 6: Final answer
    x = 297,000,628,364.64

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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.