Home / 885,718,409.80-1,328,577,614.70-516,874,736.20

Finding the Fourth Proportional to 885,718,409.80, 1,328,577,614.70 and 516,874,736.20

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Solution

The fourth proportional to 885,718,409.80, 1,328,577,614.70 and 516,874,736.20 is: 775,312,104.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,718,409.80 : 1,328,577,614.70 = 516,874,736.20 : x
  2. Step 2: Convert to fraction form
    885,718,409.80/1,328,577,614.70 = 516,874,736.20/x
  3. Step 3: Cross multiply
    885,718,409.80x = 1,328,577,614.70 × 516,874,736.20
  4. Step 4: Simplify right side
    885,718,409.80x = 686,708,204,119,287,808
  5. Step 5: Solve for x
    x = 686,708,204,119,287,808/885,718,409.80
  6. Step 6: Final answer
    x = 775,312,104.30

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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.