Home / 991,058,223.78-1,483,353,806.79-728,673,204.96

Finding the Fourth Proportional to 991,058,223.78, 1,483,353,806.79 and 728,673,204.96

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Solution

The fourth proportional to 991,058,223.78, 1,483,353,806.79 and 728,673,204.96 is: 1,090,632,363.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,058,223.78 : 1,483,353,806.79 = 728,673,204.96 : x
  2. Step 2: Convert to fraction form
    991,058,223.78/1,483,353,806.79 = 728,673,204.96/x
  3. Step 3: Cross multiply
    991,058,223.78x = 1,483,353,806.79 × 728,673,204.96
  4. Step 4: Simplify right side
    991,058,223.78x = 1,080,880,172,483,285,888
  5. Step 5: Solve for x
    x = 1,080,880,172,483,285,888/991,058,223.78
  6. Step 6: Final answer
    x = 1,090,632,363.01

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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.