Home / 608,342,928.17-839,548,425.03-340,416,422.10

Finding the Fourth Proportional to 608,342,928.17, 839,548,425.03 and 340,416,422.10

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Solution

The fourth proportional to 608,342,928.17, 839,548,425.03 and 340,416,422.10 is: 469,794,350.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,342,928.17 : 839,548,425.03 = 340,416,422.10 : x
  2. Step 2: Convert to fraction form
    608,342,928.17/839,548,425.03 = 340,416,422.10/x
  3. Step 3: Cross multiply
    608,342,928.17x = 839,548,425.03 × 340,416,422.10
  4. Step 4: Simplify right side
    608,342,928.17x = 285,796,071,022,502,880
  5. Step 5: Solve for x
    x = 285,796,071,022,502,880/608,342,928.17
  6. Step 6: Final answer
    x = 469,794,350.84

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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.