Home / 429,454,643.55-644,133,724.56-118,606,450.47

Finding the Fourth Proportional to 429,454,643.55, 644,133,724.56 and 118,606,450.47

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Solution

The fourth proportional to 429,454,643.55, 644,133,724.56 and 118,606,450.47 is: 177,896,352.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,454,643.55 : 644,133,724.56 = 118,606,450.47 : x
  2. Step 2: Convert to fraction form
    429,454,643.55/644,133,724.56 = 118,606,450.47/x
  3. Step 3: Cross multiply
    429,454,643.55x = 644,133,724.56 × 118,606,450.47
  4. Step 4: Simplify right side
    429,454,643.55x = 76,398,414,698,082,256
  5. Step 5: Solve for x
    x = 76,398,414,698,082,256/429,454,643.55
  6. Step 6: Final answer
    x = 177,896,352.61

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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.