Home / 669,337,007.36-1,000,923,363.77-636,685,272.32

Finding the Fourth Proportional to 669,337,007.36, 1,000,923,363.77 and 636,685,272.32

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Solution

The fourth proportional to 669,337,007.36, 1,000,923,363.77 and 636,685,272.32 is: 952,096,115.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,337,007.36 : 1,000,923,363.77 = 636,685,272.32 : x
  2. Step 2: Convert to fraction form
    669,337,007.36/1,000,923,363.77 = 636,685,272.32/x
  3. Step 3: Cross multiply
    669,337,007.36x = 1,000,923,363.77 × 636,685,272.32
  4. Step 4: Simplify right side
    669,337,007.36x = 637,273,164,425,164,928
  5. Step 5: Solve for x
    x = 637,273,164,425,164,928/669,337,007.36
  6. Step 6: Final answer
    x = 952,096,115.14

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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.