Home / 68,864,272,057.20-103,296,408,085.80-19,185,261,855.60

Finding the Fourth Proportional to 68,864,272,057.20, 103,296,408,085.80 and 19,185,261,855.60

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Solution

The fourth proportional to 68,864,272,057.20, 103,296,408,085.80 and 19,185,261,855.60 is: 28,777,892,783.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,864,272,057.20 : 103,296,408,085.80 = 19,185,261,855.60 : x
  2. Step 2: Convert to fraction form
    68,864,272,057.20/103,296,408,085.80 = 19,185,261,855.60/x
  3. Step 3: Cross multiply
    68,864,272,057.20x = 103,296,408,085.80 × 19,185,261,855.60
  4. Step 4: Simplify right side
    68,864,272,057.20x = 1,981,768,637,868,990,005,248
  5. Step 5: Solve for x
    x = 1,981,768,637,868,990,005,248/68,864,272,057.20
  6. Step 6: Final answer
    x = 28,777,892,783.40

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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.