Home / 885,311,998.40-1,327,967,997.60-579,547,236.80

Finding the Fourth Proportional to 885,311,998.40, 1,327,967,997.60 and 579,547,236.80

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Solution

The fourth proportional to 885,311,998.40, 1,327,967,997.60 and 579,547,236.80 is: 869,320,855.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,311,998.40 : 1,327,967,997.60 = 579,547,236.80 : x
  2. Step 2: Convert to fraction form
    885,311,998.40/1,327,967,997.60 = 579,547,236.80/x
  3. Step 3: Cross multiply
    885,311,998.40x = 1,327,967,997.60 × 579,547,236.80
  4. Step 4: Simplify right side
    885,311,998.40x = 769,620,183,567,908,864
  5. Step 5: Solve for x
    x = 769,620,183,567,908,864/885,311,998.40
  6. Step 6: Final answer
    x = 869,320,855.20

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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.