Home / 717,719,211.16-1,076,578,818.18-172,460,745.88

Finding the Fourth Proportional to 717,719,211.16, 1,076,578,818.18 and 172,460,745.88

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Solution

The fourth proportional to 717,719,211.16, 1,076,578,818.18 and 172,460,745.88 is: 258,691,119.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,719,211.16 : 1,076,578,818.18 = 172,460,745.88 : x
  2. Step 2: Convert to fraction form
    717,719,211.16/1,076,578,818.18 = 172,460,745.88/x
  3. Step 3: Cross multiply
    717,719,211.16x = 1,076,578,818.18 × 172,460,745.88
  4. Step 4: Simplify right side
    717,719,211.16x = 185,667,585,981,931,712
  5. Step 5: Solve for x
    x = 185,667,585,981,931,712/717,719,211.16
  6. Step 6: Final answer
    x = 258,691,119.17

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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.