Home / 373,209,334.92-515,131,332.70-216,626,887.30

Finding the Fourth Proportional to 373,209,334.92, 515,131,332.70 and 216,626,887.30

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Solution

The fourth proportional to 373,209,334.92, 515,131,332.70 and 216,626,887.30 is: 299,004,571.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,209,334.92 : 515,131,332.70 = 216,626,887.30 : x
  2. Step 2: Convert to fraction form
    373,209,334.92/515,131,332.70 = 216,626,887.30/x
  3. Step 3: Cross multiply
    373,209,334.92x = 515,131,332.70 × 216,626,887.30
  4. Step 4: Simplify right side
    373,209,334.92x = 111,591,297,153,501,712
  5. Step 5: Solve for x
    x = 111,591,297,153,501,712/373,209,334.92
  6. Step 6: Final answer
    x = 299,004,571.19

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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.