Home / 1,110,264,055.60-1,664,201,689.80-419,904,554.80

Finding the Fourth Proportional to 1,110,264,055.60, 1,664,201,689.80 and 419,904,554.80

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Solution

The fourth proportional to 1,110,264,055.60, 1,664,201,689.80 and 419,904,554.80 is: 629,405,109.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,264,055.60 : 1,664,201,689.80 = 419,904,554.80 : x
  2. Step 2: Convert to fraction form
    1,110,264,055.60/1,664,201,689.80 = 419,904,554.80/x
  3. Step 3: Cross multiply
    1,110,264,055.60x = 1,664,201,689.80 × 419,904,554.80
  4. Step 4: Simplify right side
    1,110,264,055.60x = 698,805,869,652,876,672
  5. Step 5: Solve for x
    x = 698,805,869,652,876,672/1,110,264,055.60
  6. Step 6: Final answer
    x = 629,405,109.65

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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.