Home / 10,742,976,979.20-16,114,465,468.80-6,378,662,764.80

Finding the Fourth Proportional to 10,742,976,979.20, 16,114,465,468.80 and 6,378,662,764.80

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Solution

The fourth proportional to 10,742,976,979.20, 16,114,465,468.80 and 6,378,662,764.80 is: 9,567,994,147.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,742,976,979.20 : 16,114,465,468.80 = 6,378,662,764.80 : x
  2. Step 2: Convert to fraction form
    10,742,976,979.20/16,114,465,468.80 = 6,378,662,764.80/x
  3. Step 3: Cross multiply
    10,742,976,979.20x = 16,114,465,468.80 × 6,378,662,764.80
  4. Step 4: Simplify right side
    10,742,976,979.20x = 102,788,740,860,489,940,992
  5. Step 5: Solve for x
    x = 102,788,740,860,489,940,992/10,742,976,979.20
  6. Step 6: Final answer
    x = 9,567,994,147.20

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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.