Home / 717,719,237.91-1,076,578,858.32-172,460,772.63

Finding the Fourth Proportional to 717,719,237.91, 1,076,578,858.32 and 172,460,772.63

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Solution

The fourth proportional to 717,719,237.91, 1,076,578,858.32 and 172,460,772.63 is: 258,691,159.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,719,237.91 : 1,076,578,858.32 = 172,460,772.63 : x
  2. Step 2: Convert to fraction form
    717,719,237.91/1,076,578,858.32 = 172,460,772.63/x
  3. Step 3: Cross multiply
    717,719,237.91x = 1,076,578,858.32 × 172,460,772.63
  4. Step 4: Simplify right side
    717,719,237.91x = 185,667,621,702,990,496
  5. Step 5: Solve for x
    x = 185,667,621,702,990,496/717,719,237.91
  6. Step 6: Final answer
    x = 258,691,159.29

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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.