Home / 618,774,128,057.80-928,160,973,630.30-165,481,250,945.52

Finding the Fourth Proportional to 618,774,128,057.80, 928,160,973,630.30 and 165,481,250,945.52

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Solution

The fourth proportional to 618,774,128,057.80, 928,160,973,630.30 and 165,481,250,945.52 is: 248,221,817,995.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,774,128,057.80 : 928,160,973,630.30 = 165,481,250,945.52 : x
  2. Step 2: Convert to fraction form
    618,774,128,057.80/928,160,973,630.30 = 165,481,250,945.52/x
  3. Step 3: Cross multiply
    618,774,128,057.80x = 928,160,973,630.30 × 165,481,250,945.52
  4. Step 4: Simplify right side
    618,774,128,057.80x = 153,593,238,995,153,841,029,120
  5. Step 5: Solve for x
    x = 153,593,238,995,153,841,029,120/618,774,128,057.80
  6. Step 6: Final answer
    x = 248,221,817,995.61

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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.