Home / 553,259,654.49-829,653,255.39-320,251,200.48

Finding the Fourth Proportional to 553,259,654.49, 829,653,255.39 and 320,251,200.48

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Solution

The fourth proportional to 553,259,654.49, 829,653,255.39 and 320,251,200.48 is: 480,240,062.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,259,654.49 : 829,653,255.39 = 320,251,200.48 : x
  2. Step 2: Convert to fraction form
    553,259,654.49/829,653,255.39 = 320,251,200.48/x
  3. Step 3: Cross multiply
    553,259,654.49x = 829,653,255.39 × 320,251,200.48
  4. Step 4: Simplify right side
    553,259,654.49x = 265,697,451,020,787,552
  5. Step 5: Solve for x
    x = 265,697,451,020,787,552/553,259,654.49
  6. Step 6: Final answer
    x = 480,240,062.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.