Home / 1,178,064,372.20-1,767,096,558.30-851,547,021.80

Finding the Fourth Proportional to 1,178,064,372.20, 1,767,096,558.30 and 851,547,021.80

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Solution

The fourth proportional to 1,178,064,372.20, 1,767,096,558.30 and 851,547,021.80 is: 1,277,320,532.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,064,372.20 : 1,767,096,558.30 = 851,547,021.80 : x
  2. Step 2: Convert to fraction form
    1,178,064,372.20/1,767,096,558.30 = 851,547,021.80/x
  3. Step 3: Cross multiply
    1,178,064,372.20x = 1,767,096,558.30 × 851,547,021.80
  4. Step 4: Simplify right side
    1,178,064,372.20x = 1,504,765,811,453,394,944
  5. Step 5: Solve for x
    x = 1,504,765,811,453,394,944/1,178,064,372.20
  6. Step 6: Final answer
    x = 1,277,320,532.70

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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.