Home / 547,451,603.50-755,297,210.89-312,333,357.10

Finding the Fourth Proportional to 547,451,603.50, 755,297,210.89 and 312,333,357.10

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Solution

The fourth proportional to 547,451,603.50, 755,297,210.89 and 312,333,357.10 is: 430,913,914.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,451,603.50 : 755,297,210.89 = 312,333,357.10 : x
  2. Step 2: Convert to fraction form
    547,451,603.50/755,297,210.89 = 312,333,357.10/x
  3. Step 3: Cross multiply
    547,451,603.50x = 755,297,210.89 × 312,333,357.10
  4. Step 4: Simplify right side
    547,451,603.50x = 235,904,513,485,540,384
  5. Step 5: Solve for x
    x = 235,904,513,485,540,384/547,451,603.50
  6. Step 6: Final answer
    x = 430,913,914.54

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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.