Home / 618,567,109,747.35-853,696,923,524.78-374,689,422,901.24

Finding the Fourth Proportional to 618,567,109,747.35, 853,696,923,524.78 and 374,689,422,901.24

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Solution

The fourth proportional to 618,567,109,747.35, 853,696,923,524.78 and 374,689,422,901.24 is: 517,116,417,228.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,567,109,747.35 : 853,696,923,524.78 = 374,689,422,901.24 : x
  2. Step 2: Convert to fraction form
    618,567,109,747.35/853,696,923,524.78 = 374,689,422,901.24/x
  3. Step 3: Cross multiply
    618,567,109,747.35x = 853,696,923,524.78 × 374,689,422,901.24
  4. Step 4: Simplify right side
    618,567,109,747.35x = 319,871,207,608,063,834,980,352
  5. Step 5: Solve for x
    x = 319,871,207,608,063,834,980,352/618,567,109,747.35
  6. Step 6: Final answer
    x = 517,116,417,228.70

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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.