Home / 587,190,884.71-810,446,718.23-372,470,646.37

Finding the Fourth Proportional to 587,190,884.71, 810,446,718.23 and 372,470,646.37

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Solution

The fourth proportional to 587,190,884.71, 810,446,718.23 and 372,470,646.37 is: 514,087,702.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,190,884.71 : 810,446,718.23 = 372,470,646.37 : x
  2. Step 2: Convert to fraction form
    587,190,884.71/810,446,718.23 = 372,470,646.37/x
  3. Step 3: Cross multiply
    587,190,884.71x = 810,446,718.23 × 372,470,646.37
  4. Step 4: Simplify right side
    587,190,884.71x = 301,867,612,987,573,376
  5. Step 5: Solve for x
    x = 301,867,612,987,573,376/587,190,884.71
  6. Step 6: Final answer
    x = 514,087,702.74

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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.