Home / 668,865,658.23-1,003,427,692.05-254,310,245.88

Finding the Fourth Proportional to 668,865,658.23, 1,003,427,692.05 and 254,310,245.88

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Solution

The fourth proportional to 668,865,658.23, 1,003,427,692.05 and 254,310,245.88 is: 381,514,493.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,865,658.23 : 1,003,427,692.05 = 254,310,245.88 : x
  2. Step 2: Convert to fraction form
    668,865,658.23/1,003,427,692.05 = 254,310,245.88/x
  3. Step 3: Cross multiply
    668,865,658.23x = 1,003,427,692.05 × 254,310,245.88
  4. Step 4: Simplify right side
    668,865,658.23x = 255,181,943,088,036,416
  5. Step 5: Solve for x
    x = 255,181,943,088,036,416/668,865,658.23
  6. Step 6: Final answer
    x = 381,514,493.90

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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.