Home / 1,138,712,987,862.90-1,571,469,229,574-624,897,169,837.60

Finding the Fourth Proportional to 1,138,712,987,862.90, 1,571,469,229,574 and 624,897,169,837.60

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Solution

The fourth proportional to 1,138,712,987,862.90, 1,571,469,229,574 and 624,897,169,837.60 is: 862,382,957,351.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,712,987,862.90 : 1,571,469,229,574 = 624,897,169,837.60 : x
  2. Step 2: Convert to fraction form
    1,138,712,987,862.90/1,571,469,229,574 = 624,897,169,837.60/x
  3. Step 3: Cross multiply
    1,138,712,987,862.90x = 1,571,469,229,574 × 624,897,169,837.60
  4. Step 4: Simplify right side
    1,138,712,987,862.90x = 982,006,674,047,666,206,277,632
  5. Step 5: Solve for x
    x = 982,006,674,047,666,206,277,632/1,138,712,987,862.90
  6. Step 6: Final answer
    x = 862,382,957,351.41

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Double scale
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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.