Home / 645,112,825.23-967,666,476.02-178,772,917.17

Finding the Fourth Proportional to 645,112,825.23, 967,666,476.02 and 178,772,917.17

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Solution

The fourth proportional to 645,112,825.23, 967,666,476.02 and 178,772,917.17 is: 268,158,610.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,112,825.23 : 967,666,476.02 = 178,772,917.17 : x
  2. Step 2: Convert to fraction form
    645,112,825.23/967,666,476.02 = 178,772,917.17/x
  3. Step 3: Cross multiply
    645,112,825.23x = 967,666,476.02 × 178,772,917.17
  4. Step 4: Simplify right side
    645,112,825.23x = 172,992,558,764,815,360
  5. Step 5: Solve for x
    x = 172,992,558,764,815,360/645,112,825.23
  6. Step 6: Final answer
    x = 268,158,610.40

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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.