Home / 429,454,617.30-644,133,685.25-118,606,424.22

Finding the Fourth Proportional to 429,454,617.30, 644,133,685.25 and 118,606,424.22

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Solution

The fourth proportional to 429,454,617.30, 644,133,685.25 and 118,606,424.22 is: 177,896,313.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,454,617.30 : 644,133,685.25 = 118,606,424.22 : x
  2. Step 2: Convert to fraction form
    429,454,617.30/644,133,685.25 = 118,606,424.22/x
  3. Step 3: Cross multiply
    429,454,617.30x = 644,133,685.25 × 118,606,424.22
  4. Step 4: Simplify right side
    429,454,617.30x = 76,398,393,127,449,984
  5. Step 5: Solve for x
    x = 76,398,393,127,449,984/429,454,617.30
  6. Step 6: Final answer
    x = 177,896,313.25

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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.