Home / 373,209,332.93-515,131,329.95-216,626,885.29

Finding the Fourth Proportional to 373,209,332.93, 515,131,329.95 and 216,626,885.29

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Solution

The fourth proportional to 373,209,332.93, 515,131,329.95 and 216,626,885.29 is: 299,004,568.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,209,332.93 : 515,131,329.95 = 216,626,885.29 : x
  2. Step 2: Convert to fraction form
    373,209,332.93/515,131,329.95 = 216,626,885.29/x
  3. Step 3: Cross multiply
    373,209,332.93x = 515,131,329.95 × 216,626,885.29
  4. Step 4: Simplify right side
    373,209,332.93x = 111,591,295,522,733,936
  5. Step 5: Solve for x
    x = 111,591,295,522,733,936/373,209,332.93
  6. Step 6: Final answer
    x = 299,004,568.42

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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.