Home / 587,698,386.61-810,999,457.81-319,775,321.85

Finding the Fourth Proportional to 587,698,386.61, 810,999,457.81 and 319,775,321.85

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Solution

The fourth proportional to 587,698,386.61, 810,999,457.81 and 319,775,321.85 is: 441,276,713.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,698,386.61 : 810,999,457.81 = 319,775,321.85 : x
  2. Step 2: Convert to fraction form
    587,698,386.61/810,999,457.81 = 319,775,321.85/x
  3. Step 3: Cross multiply
    587,698,386.61x = 810,999,457.81 × 319,775,321.85
  4. Step 4: Simplify right side
    587,698,386.61x = 259,337,612,645,253,248
  5. Step 5: Solve for x
    x = 259,337,612,645,253,248/587,698,386.61
  6. Step 6: Final answer
    x = 441,276,713.62

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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.