Home / 885,139,231.80-1,327,708,847.70-455,157,535.80

Finding the Fourth Proportional to 885,139,231.80, 1,327,708,847.70 and 455,157,535.80

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Solution

The fourth proportional to 885,139,231.80, 1,327,708,847.70 and 455,157,535.80 is: 682,736,303.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,139,231.80 : 1,327,708,847.70 = 455,157,535.80 : x
  2. Step 2: Convert to fraction form
    885,139,231.80/1,327,708,847.70 = 455,157,535.80/x
  3. Step 3: Cross multiply
    885,139,231.80x = 1,327,708,847.70 × 455,157,535.80
  4. Step 4: Simplify right side
    885,139,231.80x = 604,316,687,378,989,568
  5. Step 5: Solve for x
    x = 604,316,687,378,989,568/885,139,231.80
  6. Step 6: Final answer
    x = 682,736,303.70

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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.