Home / 1,704,239,894.60-2,556,359,841.90-978,645,782.60

Finding the Fourth Proportional to 1,704,239,894.60, 2,556,359,841.90 and 978,645,782.60

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Solution

The fourth proportional to 1,704,239,894.60, 2,556,359,841.90 and 978,645,782.60 is: 1,467,968,673.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704,239,894.60 : 2,556,359,841.90 = 978,645,782.60 : x
  2. Step 2: Convert to fraction form
    1,704,239,894.60/2,556,359,841.90 = 978,645,782.60/x
  3. Step 3: Cross multiply
    1,704,239,894.60x = 2,556,359,841.90 × 978,645,782.60
  4. Step 4: Simplify right side
    1,704,239,894.60x = 2,501,770,778,083,438,080
  5. Step 5: Solve for x
    x = 2,501,770,778,083,438,080/1,704,239,894.60
  6. Step 6: Final answer
    x = 1,467,968,673.90

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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.