Home / 618,774,126,089.90-928,160,970,677.10-165,481,248,981.06

Finding the Fourth Proportional to 618,774,126,089.90, 928,160,970,677.10 and 165,481,248,981.06

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Solution

The fourth proportional to 618,774,126,089.90, 928,160,970,677.10 and 165,481,248,981.06 is: 248,221,815,048.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,774,126,089.90 : 928,160,970,677.10 = 165,481,248,981.06 : x
  2. Step 2: Convert to fraction form
    618,774,126,089.90/928,160,970,677.10 = 165,481,248,981.06/x
  3. Step 3: Cross multiply
    618,774,126,089.90x = 928,160,970,677.10 × 165,481,248,981.06
  4. Step 4: Simplify right side
    618,774,126,089.90x = 153,593,236,683,119,493,382,144
  5. Step 5: Solve for x
    x = 153,593,236,683,119,493,382,144/618,774,126,089.90
  6. Step 6: Final answer
    x = 248,221,815,048.56

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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.