Home / 939,395,344.44-1,296,289,974.43-542,944,012.10

Finding the Fourth Proportional to 939,395,344.44, 1,296,289,974.43 and 542,944,012.10

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Solution

The fourth proportional to 939,395,344.44, 1,296,289,974.43 and 542,944,012.10 is: 749,219,041.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,395,344.44 : 1,296,289,974.43 = 542,944,012.10 : x
  2. Step 2: Convert to fraction form
    939,395,344.44/1,296,289,974.43 = 542,944,012.10/x
  3. Step 3: Cross multiply
    939,395,344.44x = 1,296,289,974.43 × 542,944,012.10
  4. Step 4: Simplify right side
    939,395,344.44x = 703,812,879,556,254,976
  5. Step 5: Solve for x
    x = 703,812,879,556,254,976/939,395,344.44
  6. Step 6: Final answer
    x = 749,219,041.51

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1.5x scale

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.