Home / 1,603,973,144.40-2,405,623,793.40-786,671,998.80

Finding the Fourth Proportional to 1,603,973,144.40, 2,405,623,793.40 and 786,671,998.80

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Solution

The fourth proportional to 1,603,973,144.40, 2,405,623,793.40 and 786,671,998.80 is: 1,179,843,243.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,973,144.40 : 2,405,623,793.40 = 786,671,998.80 : x
  2. Step 2: Convert to fraction form
    1,603,973,144.40/2,405,623,793.40 = 786,671,998.80/x
  3. Step 3: Cross multiply
    1,603,973,144.40x = 2,405,623,793.40 × 786,671,998.80
  4. Step 4: Simplify right side
    1,603,973,144.40x = 1,892,436,877,914,816,256
  5. Step 5: Solve for x
    x = 1,892,436,877,914,816,256/1,603,973,144.40
  6. Step 6: Final answer
    x = 1,179,843,243.96

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Double scale
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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.