Home / 717,719,235.66-1,076,578,854.93-172,460,770.38

Finding the Fourth Proportional to 717,719,235.66, 1,076,578,854.93 and 172,460,770.38

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Solution

The fourth proportional to 717,719,235.66, 1,076,578,854.93 and 172,460,770.38 is: 258,691,155.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,719,235.66 : 1,076,578,854.93 = 172,460,770.38 : x
  2. Step 2: Convert to fraction form
    717,719,235.66/1,076,578,854.93 = 172,460,770.38/x
  3. Step 3: Cross multiply
    717,719,235.66x = 1,076,578,854.93 × 172,460,770.38
  4. Step 4: Simplify right side
    717,719,235.66x = 185,667,618,696,046,080
  5. Step 5: Solve for x
    x = 185,667,618,696,046,080/717,719,235.66
  6. Step 6: Final answer
    x = 258,691,155.92

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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.