Home / 624,077,142.40-936,115,713.60-317,967,126.40

Finding the Fourth Proportional to 624,077,142.40, 936,115,713.60 and 317,967,126.40

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Solution

The fourth proportional to 624,077,142.40, 936,115,713.60 and 317,967,126.40 is: 476,950,689.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,077,142.40 : 936,115,713.60 = 317,967,126.40 : x
  2. Step 2: Convert to fraction form
    624,077,142.40/936,115,713.60 = 317,967,126.40/x
  3. Step 3: Cross multiply
    624,077,142.40x = 936,115,713.60 × 317,967,126.40
  4. Step 4: Simplify right side
    624,077,142.40x = 297,654,023,431,277,376
  5. Step 5: Solve for x
    x = 297,654,023,431,277,376/624,077,142.40
  6. Step 6: Final answer
    x = 476,950,689.60

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Similar ratio
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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.