Home / 1,745,788,057.68-2,619,027,063.72-640,403,177.88

Finding the Fourth Proportional to 1,745,788,057.68, 2,619,027,063.72 and 640,403,177.88

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Solution

The fourth proportional to 1,745,788,057.68, 2,619,027,063.72 and 640,403,177.88 is: 960,731,313.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745,788,057.68 : 2,619,027,063.72 = 640,403,177.88 : x
  2. Step 2: Convert to fraction form
    1,745,788,057.68/2,619,027,063.72 = 640,403,177.88/x
  3. Step 3: Cross multiply
    1,745,788,057.68x = 2,619,027,063.72 × 640,403,177.88
  4. Step 4: Simplify right side
    1,745,788,057.68x = 1,677,233,254,560,013,056
  5. Step 5: Solve for x
    x = 1,677,233,254,560,013,056/1,745,788,057.68
  6. Step 6: Final answer
    x = 960,731,313.97

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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.