Home / 12,876,305,903.40-19,314,458,855.10-12,114,432,085.80

Finding the Fourth Proportional to 12,876,305,903.40, 19,314,458,855.10 and 12,114,432,085.80

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Solution

The fourth proportional to 12,876,305,903.40, 19,314,458,855.10 and 12,114,432,085.80 is: 18,171,648,128.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,876,305,903.40 : 19,314,458,855.10 = 12,114,432,085.80 : x
  2. Step 2: Convert to fraction form
    12,876,305,903.40/19,314,458,855.10 = 12,114,432,085.80/x
  3. Step 3: Cross multiply
    12,876,305,903.40x = 19,314,458,855.10 × 12,114,432,085.80
  4. Step 4: Simplify right side
    12,876,305,903.40x = 233,983,700,074,087,350,272
  5. Step 5: Solve for x
    x = 233,983,700,074,087,350,272/12,876,305,903.40
  6. Step 6: Final answer
    x = 18,171,648,128.70

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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.