Home / 2,791,298,272.32-3,851,992,416.26-1,521,139,612.34

Finding the Fourth Proportional to 2,791,298,272.32, 3,851,992,416.26 and 1,521,139,612.34

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Solution

The fourth proportional to 2,791,298,272.32, 3,851,992,416.26 and 1,521,139,612.34 is: 2,099,173,101.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791,298,272.32 : 3,851,992,416.26 = 1,521,139,612.34 : x
  2. Step 2: Convert to fraction form
    2,791,298,272.32/3,851,992,416.26 = 1,521,139,612.34/x
  3. Step 3: Cross multiply
    2,791,298,272.32x = 3,851,992,416.26 × 1,521,139,612.34
  4. Step 4: Simplify right side
    2,791,298,272.32x = 5,859,418,250,819,941,376
  5. Step 5: Solve for x
    x = 5,859,418,250,819,941,376/2,791,298,272.32
  6. Step 6: Final answer
    x = 2,099,173,101.25

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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.