Home / 626,540,438.61-864,575,188.35-362,239,464.21

Finding the Fourth Proportional to 626,540,438.61, 864,575,188.35 and 362,239,464.21

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Solution

The fourth proportional to 626,540,438.61, 864,575,188.35 and 362,239,464.21 is: 499,861,196.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,540,438.61 : 864,575,188.35 = 362,239,464.21 : x
  2. Step 2: Convert to fraction form
    626,540,438.61/864,575,188.35 = 362,239,464.21/x
  3. Step 3: Cross multiply
    626,540,438.61x = 864,575,188.35 × 362,239,464.21
  4. Step 4: Simplify right side
    626,540,438.61x = 313,183,252,997,163,840
  5. Step 5: Solve for x
    x = 313,183,252,997,163,840/626,540,438.61
  6. Step 6: Final answer
    x = 499,861,196.02

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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.