Home / 448,907,713.20-673,361,569.80-423,965,415.60

Finding the Fourth Proportional to 448,907,713.20, 673,361,569.80 and 423,965,415.60

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Solution

The fourth proportional to 448,907,713.20, 673,361,569.80 and 423,965,415.60 is: 635,948,123.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,907,713.20 : 673,361,569.80 = 423,965,415.60 : x
  2. Step 2: Convert to fraction form
    448,907,713.20/673,361,569.80 = 423,965,415.60/x
  3. Step 3: Cross multiply
    448,907,713.20x = 673,361,569.80 × 423,965,415.60
  4. Step 4: Simplify right side
    448,907,713.20x = 285,482,017,789,325,408
  5. Step 5: Solve for x
    x = 285,482,017,789,325,408/448,907,713.20
  6. Step 6: Final answer
    x = 635,948,123.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.