Home / 429,454,618.30-644,133,686.75-118,606,425.22

Finding the Fourth Proportional to 429,454,618.30, 644,133,686.75 and 118,606,425.22

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Solution

The fourth proportional to 429,454,618.30, 644,133,686.75 and 118,606,425.22 is: 177,896,314.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,454,618.30 : 644,133,686.75 = 118,606,425.22 : x
  2. Step 2: Convert to fraction form
    429,454,618.30/644,133,686.75 = 118,606,425.22/x
  3. Step 3: Cross multiply
    429,454,618.30x = 644,133,686.75 × 118,606,425.22
  4. Step 4: Simplify right side
    429,454,618.30x = 76,398,393,949,196,784
  5. Step 5: Solve for x
    x = 76,398,393,949,196,784/429,454,618.30
  6. Step 6: Final answer
    x = 177,896,314.75

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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.