Home / 618,567,109,746.36-853,696,923,523.44-374,689,422,900.24

Finding the Fourth Proportional to 618,567,109,746.36, 853,696,923,523.44 and 374,689,422,900.24

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Solution

The fourth proportional to 618,567,109,746.36, 853,696,923,523.44 and 374,689,422,900.24 is: 517,116,417,227.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,567,109,746.36 : 853,696,923,523.44 = 374,689,422,900.24 : x
  2. Step 2: Convert to fraction form
    618,567,109,746.36/853,696,923,523.44 = 374,689,422,900.24/x
  3. Step 3: Cross multiply
    618,567,109,746.36x = 853,696,923,523.44 × 374,689,422,900.24
  4. Step 4: Simplify right side
    618,567,109,746.36x = 319,871,207,606,708,034,600,960
  5. Step 5: Solve for x
    x = 319,871,207,606,708,034,600,960/618,567,109,746.36
  6. Step 6: Final answer
    x = 517,116,417,227.34

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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.