Home / 6,638,983,859.28-9,161,826,291.90-3,628,298,306.64

Finding the Fourth Proportional to 6,638,983,859.28, 9,161,826,291.90 and 3,628,298,306.64

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Solution

The fourth proportional to 6,638,983,859.28, 9,161,826,291.90 and 3,628,298,306.64 is: 5,007,067,274.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,638,983,859.28 : 9,161,826,291.90 = 3,628,298,306.64 : x
  2. Step 2: Convert to fraction form
    6,638,983,859.28/9,161,826,291.90 = 3,628,298,306.64/x
  3. Step 3: Cross multiply
    6,638,983,859.28x = 9,161,826,291.90 × 3,628,298,306.64
  4. Step 4: Simplify right side
    6,638,983,859.28x = 33,241,838,820,630,597,632
  5. Step 5: Solve for x
    x = 33,241,838,820,630,597,632/6,638,983,859.28
  6. Step 6: Final answer
    x = 5,007,067,274.94

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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.