Home / 1,285,504,089,115.90-1,773,995,932,544.50-707,440,607,892.39

Finding the Fourth Proportional to 1,285,504,089,115.90, 1,773,995,932,544.50 and 707,440,607,892.39

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Solution

The fourth proportional to 1,285,504,089,115.90, 1,773,995,932,544.50 and 707,440,607,892.39 is: 976,268,198,245.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,504,089,115.90 : 1,773,995,932,544.50 = 707,440,607,892.39 : x
  2. Step 2: Convert to fraction form
    1,285,504,089,115.90/1,773,995,932,544.50 = 707,440,607,892.39/x
  3. Step 3: Cross multiply
    1,285,504,089,115.90x = 1,773,995,932,544.50 × 707,440,607,892.39
  4. Step 4: Simplify right side
    1,285,504,089,115.90x = 1,254,996,760,917,908,295,516,160
  5. Step 5: Solve for x
    x = 1,254,996,760,917,908,295,516,160/1,285,504,089,115.90
  6. Step 6: Final answer
    x = 976,268,198,245.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.