Home / 936,536,728.92-1,404,891,447.37-306,272,055.89

Finding the Fourth Proportional to 936,536,728.92, 1,404,891,447.37 and 306,272,055.89

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Solution

The fourth proportional to 936,536,728.92, 1,404,891,447.37 and 306,272,055.89 is: 459,436,323.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,536,728.92 : 1,404,891,447.37 = 306,272,055.89 : x
  2. Step 2: Convert to fraction form
    936,536,728.92/1,404,891,447.37 = 306,272,055.89/x
  3. Step 3: Cross multiply
    936,536,728.92x = 1,404,891,447.37 × 306,272,055.89
  4. Step 4: Simplify right side
    936,536,728.92x = 430,278,991,892,779,904
  5. Step 5: Solve for x
    x = 430,278,991,892,779,904/936,536,728.92
  6. Step 6: Final answer
    x = 459,436,323.86

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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.