Home / 406,921,929.20-610,420,218.60-134,293,295.60

Finding the Fourth Proportional to 406,921,929.20, 610,420,218.60 and 134,293,295.60

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Solution

The fourth proportional to 406,921,929.20, 610,420,218.60 and 134,293,295.60 is: 201,452,261.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,921,929.20 : 610,420,218.60 = 134,293,295.60 : x
  2. Step 2: Convert to fraction form
    406,921,929.20/610,420,218.60 = 134,293,295.60/x
  3. Step 3: Cross multiply
    406,921,929.20x = 610,420,218.60 × 134,293,295.60
  4. Step 4: Simplify right side
    406,921,929.20x = 81,975,342,856,666,416
  5. Step 5: Solve for x
    x = 81,975,342,856,666,416/406,921,929.20
  6. Step 6: Final answer
    x = 201,452,261.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.