Home / 645,112,826.23-967,666,477.51-178,772,918.17

Finding the Fourth Proportional to 645,112,826.23, 967,666,477.51 and 178,772,918.17

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Solution

The fourth proportional to 645,112,826.23, 967,666,477.51 and 178,772,918.17 is: 268,158,611.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,112,826.23 : 967,666,477.51 = 178,772,918.17 : x
  2. Step 2: Convert to fraction form
    645,112,826.23/967,666,477.51 = 178,772,918.17/x
  3. Step 3: Cross multiply
    645,112,826.23x = 967,666,477.51 × 178,772,918.17
  4. Step 4: Simplify right side
    645,112,826.23x = 172,992,559,999,747,360
  5. Step 5: Solve for x
    x = 172,992,559,999,747,360/645,112,826.23
  6. Step 6: Final answer
    x = 268,158,611.90

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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.