Home / 608,342,927.66-839,548,424.34-340,416,421.60

Finding the Fourth Proportional to 608,342,927.66, 839,548,424.34 and 340,416,421.60

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Solution

The fourth proportional to 608,342,927.66, 839,548,424.34 and 340,416,421.60 is: 469,794,350.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,342,927.66 : 839,548,424.34 = 340,416,421.60 : x
  2. Step 2: Convert to fraction form
    608,342,927.66/839,548,424.34 = 340,416,421.60/x
  3. Step 3: Cross multiply
    608,342,927.66x = 839,548,424.34 × 340,416,421.60
  4. Step 4: Simplify right side
    608,342,927.66x = 285,796,070,369,925,344
  5. Step 5: Solve for x
    x = 285,796,070,369,925,344/608,342,927.66
  6. Step 6: Final answer
    x = 469,794,350.15

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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.