Home / 486,496,491.22-729,838,624.75-158,883,929.48

Finding the Fourth Proportional to 486,496,491.22, 729,838,624.75 and 158,883,929.48

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Solution

The fourth proportional to 486,496,491.22, 729,838,624.75 and 158,883,929.48 is: 238,356,556.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,496,491.22 : 729,838,624.75 = 158,883,929.48 : x
  2. Step 2: Convert to fraction form
    486,496,491.22/729,838,624.75 = 158,883,929.48/x
  3. Step 3: Cross multiply
    486,496,491.22x = 729,838,624.75 × 158,883,929.48
  4. Step 4: Simplify right side
    486,496,491.22x = 115,959,628,586,559,168
  5. Step 5: Solve for x
    x = 115,959,628,586,559,168/486,496,491.22
  6. Step 6: Final answer
    x = 238,356,556.89

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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.