Home / 463,187,617.45-639,210,017.48-251,503,370.15

Finding the Fourth Proportional to 463,187,617.45, 639,210,017.48 and 251,503,370.15

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Solution

The fourth proportional to 463,187,617.45, 639,210,017.48 and 251,503,370.15 is: 347,080,680.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,187,617.45 : 639,210,017.48 = 251,503,370.15 : x
  2. Step 2: Convert to fraction form
    463,187,617.45/639,210,017.48 = 251,503,370.15/x
  3. Step 3: Cross multiply
    463,187,617.45x = 639,210,017.48 × 251,503,370.15
  4. Step 4: Simplify right side
    463,187,617.45x = 160,763,473,625,406,848
  5. Step 5: Solve for x
    x = 160,763,473,625,406,848/463,187,617.45
  6. Step 6: Final answer
    x = 347,080,680.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.