Home / 1,664,615,911.50-2,494,267,812.34-1,219,897,514.32

Finding the Fourth Proportional to 1,664,615,911.50, 2,494,267,812.34 and 1,219,897,514.32

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Solution

The fourth proportional to 1,664,615,911.50, 2,494,267,812.34 and 1,219,897,514.32 is: 1,827,899,807.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,615,911.50 : 2,494,267,812.34 = 1,219,897,514.32 : x
  2. Step 2: Convert to fraction form
    1,664,615,911.50/2,494,267,812.34 = 1,219,897,514.32/x
  3. Step 3: Cross multiply
    1,664,615,911.50x = 2,494,267,812.34 × 1,219,897,514.32
  4. Step 4: Simplify right side
    1,664,615,911.50x = 3,042,751,104,321,950,208
  5. Step 5: Solve for x
    x = 3,042,751,104,321,950,208/1,664,615,911.50
  6. Step 6: Final answer
    x = 1,827,899,807.58

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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.