Home / 372,429,334.89-513,952,485.21-207,416,904.39

Finding the Fourth Proportional to 372,429,334.89, 513,952,485.21 and 207,416,904.39

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Solution

The fourth proportional to 372,429,334.89, 513,952,485.21 and 207,416,904.39 is: 286,235,329.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,429,334.89 : 513,952,485.21 = 207,416,904.39 : x
  2. Step 2: Convert to fraction form
    372,429,334.89/513,952,485.21 = 207,416,904.39/x
  3. Step 3: Cross multiply
    372,429,334.89x = 513,952,485.21 × 207,416,904.39
  4. Step 4: Simplify right side
    372,429,334.89x = 106,602,433,485,805,440
  5. Step 5: Solve for x
    x = 106,602,433,485,805,440/372,429,334.89
  6. Step 6: Final answer
    x = 286,235,329.76

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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.