Home / 13,199,821,802.10-19,799,732,703.15-7,001,093,978.10

Finding the Fourth Proportional to 13,199,821,802.10, 19,799,732,703.15 and 7,001,093,978.10

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Solution

The fourth proportional to 13,199,821,802.10, 19,799,732,703.15 and 7,001,093,978.10 is: 10,501,640,967.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,199,821,802.10 : 19,799,732,703.15 = 7,001,093,978.10 : x
  2. Step 2: Convert to fraction form
    13,199,821,802.10/19,799,732,703.15 = 7,001,093,978.10/x
  3. Step 3: Cross multiply
    13,199,821,802.10x = 19,799,732,703.15 × 7,001,093,978.10
  4. Step 4: Simplify right side
    13,199,821,802.10x = 138,619,789,396,013,121,536
  5. Step 5: Solve for x
    x = 138,619,789,396,013,121,536/13,199,821,802.10
  6. Step 6: Final answer
    x = 10,501,640,967.15

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Double scale
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1.5x scale

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.