Home / 2,791,345,140.99-3,851,944,144.22-1,521,159,152.36

Finding the Fourth Proportional to 2,791,345,140.99, 3,851,944,144.22 and 1,521,159,152.36

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Solution

The fourth proportional to 2,791,345,140.99, 3,851,944,144.22 and 1,521,159,152.36 is: 2,099,138,513.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791,345,140.99 : 3,851,944,144.22 = 1,521,159,152.36 : x
  2. Step 2: Convert to fraction form
    2,791,345,140.99/3,851,944,144.22 = 1,521,159,152.36/x
  3. Step 3: Cross multiply
    2,791,345,140.99x = 3,851,944,144.22 × 1,521,159,152.36
  4. Step 4: Simplify right side
    2,791,345,140.99x = 5,859,420,089,344,304,128
  5. Step 5: Solve for x
    x = 5,859,420,089,344,304,128/2,791,345,140.99
  6. Step 6: Final answer
    x = 2,099,138,513.29

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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.