Home / 645,696,092.04-891,052,246.20-352,335,605.64

Finding the Fourth Proportional to 645,696,092.04, 891,052,246.20 and 352,335,605.64

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Solution

The fourth proportional to 645,696,092.04, 891,052,246.20 and 352,335,605.64 is: 486,218,573.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,696,092.04 : 891,052,246.20 = 352,335,605.64 : x
  2. Step 2: Convert to fraction form
    645,696,092.04/891,052,246.20 = 352,335,605.64/x
  3. Step 3: Cross multiply
    645,696,092.04x = 891,052,246.20 × 352,335,605.64
  4. Step 4: Simplify right side
    645,696,092.04x = 313,949,432,821,759,424
  5. Step 5: Solve for x
    x = 313,949,432,821,759,424/645,696,092.04
  6. Step 6: Final answer
    x = 486,218,573.56

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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.