Home / 342,420,860.52-472,534,828.29-208,410,336

Finding the Fourth Proportional to 342,420,860.52, 472,534,828.29 and 208,410,336

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Solution

The fourth proportional to 342,420,860.52, 472,534,828.29 and 208,410,336 is: 287,602,636.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,420,860.52 : 472,534,828.29 = 208,410,336 : x
  2. Step 2: Convert to fraction form
    342,420,860.52/472,534,828.29 = 208,410,336/x
  3. Step 3: Cross multiply
    342,420,860.52x = 472,534,828.29 × 208,410,336
  4. Step 4: Simplify right side
    342,420,860.52x = 98,481,142,335,621,216
  5. Step 5: Solve for x
    x = 98,481,142,335,621,216/342,420,860.52
  6. Step 6: Final answer
    x = 287,602,636.67

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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.