Home / 768,107,105.22-1,152,112,828.11-473,058,369.33

Finding the Fourth Proportional to 768,107,105.22, 1,152,112,828.11 and 473,058,369.33

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Solution

The fourth proportional to 768,107,105.22, 1,152,112,828.11 and 473,058,369.33 is: 709,558,096.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,107,105.22 : 1,152,112,828.11 = 473,058,369.33 : x
  2. Step 2: Convert to fraction form
    768,107,105.22/1,152,112,828.11 = 473,058,369.33/x
  3. Step 3: Cross multiply
    768,107,105.22x = 1,152,112,828.11 × 473,058,369.33
  4. Step 4: Simplify right side
    768,107,105.22x = 545,016,615,749,891,136
  5. Step 5: Solve for x
    x = 545,016,615,749,891,136/768,107,105.22
  6. Step 6: Final answer
    x = 709,558,096.84

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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.