Home / 917,623,767.48-1,266,472,668.40-541,372,341.48

Finding the Fourth Proportional to 917,623,767.48, 1,266,472,668.40 and 541,372,341.48

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Solution

The fourth proportional to 917,623,767.48, 1,266,472,668.40 and 541,372,341.48 is: 747,183,429.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,623,767.48 : 1,266,472,668.40 = 541,372,341.48 : x
  2. Step 2: Convert to fraction form
    917,623,767.48/1,266,472,668.40 = 541,372,341.48/x
  3. Step 3: Cross multiply
    917,623,767.48x = 1,266,472,668.40 × 541,372,341.48
  4. Step 4: Simplify right side
    917,623,767.48x = 685,633,273,906,028,928
  5. Step 5: Solve for x
    x = 685,633,273,906,028,928/917,623,767.48
  6. Step 6: Final answer
    x = 747,183,429.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.