Home / 1,138,712,987,864.40-1,571,469,229,576.10-624,897,169,839.10

Finding the Fourth Proportional to 1,138,712,987,864.40, 1,571,469,229,576.10 and 624,897,169,839.10

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Solution

The fourth proportional to 1,138,712,987,864.40, 1,571,469,229,576.10 and 624,897,169,839.10 is: 862,382,957,353.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,712,987,864.40 : 1,571,469,229,576.10 = 624,897,169,839.10 : x
  2. Step 2: Convert to fraction form
    1,138,712,987,864.40/1,571,469,229,576.10 = 624,897,169,839.10/x
  3. Step 3: Cross multiply
    1,138,712,987,864.40x = 1,571,469,229,576.10 × 624,897,169,839.10
  4. Step 4: Simplify right side
    1,138,712,987,864.40x = 982,006,674,051,335,853,178,880
  5. Step 5: Solve for x
    x = 982,006,674,051,335,853,178,880/1,138,712,987,864.40
  6. Step 6: Final answer
    x = 862,382,957,353.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.