Home / 587,190,883.71-810,446,716.85-372,470,645.37

Finding the Fourth Proportional to 587,190,883.71, 810,446,716.85 and 372,470,645.37

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Solution

The fourth proportional to 587,190,883.71, 810,446,716.85 and 372,470,645.37 is: 514,087,701.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,190,883.71 : 810,446,716.85 = 372,470,645.37 : x
  2. Step 2: Convert to fraction form
    587,190,883.71/810,446,716.85 = 372,470,645.37/x
  3. Step 3: Cross multiply
    587,190,883.71x = 810,446,716.85 × 372,470,645.37
  4. Step 4: Simplify right side
    587,190,883.71x = 301,867,611,661,254,784
  5. Step 5: Solve for x
    x = 301,867,611,661,254,784/587,190,883.71
  6. Step 6: Final answer
    x = 514,087,701.35

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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.