Home / 343,722,931,414.46-474,316,272,921.22-189,389,974,297.88

Finding the Fourth Proportional to 343,722,931,414.46, 474,316,272,921.22 and 189,389,974,297.88

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Solution

The fourth proportional to 343,722,931,414.46, 474,316,272,921.22 and 189,389,974,297.88 is: 261,346,388,406.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,722,931,414.46 : 474,316,272,921.22 = 189,389,974,297.88 : x
  2. Step 2: Convert to fraction form
    343,722,931,414.46/474,316,272,921.22 = 189,389,974,297.88/x
  3. Step 3: Cross multiply
    343,722,931,414.46x = 474,316,272,921.22 × 189,389,974,297.88
  4. Step 4: Simplify right side
    343,722,931,414.46x = 89,830,746,737,616,084,795,392
  5. Step 5: Solve for x
    x = 89,830,746,737,616,084,795,392/343,722,931,414.46
  6. Step 6: Final answer
    x = 261,346,388,406.36

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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.