Home / 382,884,724.26-528,625,284.86-312,488,499.67

Finding the Fourth Proportional to 382,884,724.26, 528,625,284.86 and 312,488,499.67

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Solution

The fourth proportional to 382,884,724.26, 528,625,284.86 and 312,488,499.67 is: 431,433,566.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,884,724.26 : 528,625,284.86 = 312,488,499.67 : x
  2. Step 2: Convert to fraction form
    382,884,724.26/528,625,284.86 = 312,488,499.67/x
  3. Step 3: Cross multiply
    382,884,724.26x = 528,625,284.86 × 312,488,499.67
  4. Step 4: Simplify right side
    382,884,724.26x = 165,189,322,152,987,424
  5. Step 5: Solve for x
    x = 165,189,322,152,987,424/382,884,724.26
  6. Step 6: Final answer
    x = 431,433,566.52

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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.