Home / 1,409,669,486.60-2,114,504,229.90-858,671,457.80

Finding the Fourth Proportional to 1,409,669,486.60, 2,114,504,229.90 and 858,671,457.80

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Solution

The fourth proportional to 1,409,669,486.60, 2,114,504,229.90 and 858,671,457.80 is: 1,288,007,186.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,669,486.60 : 2,114,504,229.90 = 858,671,457.80 : x
  2. Step 2: Convert to fraction form
    1,409,669,486.60/2,114,504,229.90 = 858,671,457.80/x
  3. Step 3: Cross multiply
    1,409,669,486.60x = 2,114,504,229.90 × 858,671,457.80
  4. Step 4: Simplify right side
    1,409,669,486.60x = 1,815,664,429,612,499,456
  5. Step 5: Solve for x
    x = 1,815,664,429,612,499,456/1,409,669,486.60
  6. Step 6: Final answer
    x = 1,288,007,186.70

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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.