Home / 387,352,559,342.90-534,740,058,103.09-240,912,222,592.59

Finding the Fourth Proportional to 387,352,559,342.90, 534,740,058,103.09 and 240,912,222,592.59

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Solution

The fourth proportional to 387,352,559,342.90, 534,740,058,103.09 and 240,912,222,592.59 is: 332,579,229,953.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,352,559,342.90 : 534,740,058,103.09 = 240,912,222,592.59 : x
  2. Step 2: Convert to fraction form
    387,352,559,342.90/534,740,058,103.09 = 240,912,222,592.59/x
  3. Step 3: Cross multiply
    387,352,559,342.90x = 534,740,058,103.09 × 240,912,222,592.59
  4. Step 4: Simplify right side
    387,352,559,342.90x = 128,825,415,906,906,133,757,952
  5. Step 5: Solve for x
    x = 128,825,415,906,906,133,757,952/387,352,559,342.90
  6. Step 6: Final answer
    x = 332,579,229,953.83

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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.