Home / 717,719,362.63-1,076,579,042.72-172,460,896.63

Finding the Fourth Proportional to 717,719,362.63, 1,076,579,042.72 and 172,460,896.63

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Solution

The fourth proportional to 717,719,362.63, 1,076,579,042.72 and 172,460,896.63 is: 258,691,344.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,719,362.63 : 1,076,579,042.72 = 172,460,896.63 : x
  2. Step 2: Convert to fraction form
    717,719,362.63/1,076,579,042.72 = 172,460,896.63/x
  3. Step 3: Cross multiply
    717,719,362.63x = 1,076,579,042.72 × 172,460,896.63
  4. Step 4: Simplify right side
    717,719,362.63x = 185,667,787,000,558,272
  5. Step 5: Solve for x
    x = 185,667,787,000,558,272/717,719,362.63
  6. Step 6: Final answer
    x = 258,691,344.65

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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.