Home / 701,134,742.75-967,594,434.32-387,863,555.63

Finding the Fourth Proportional to 701,134,742.75, 967,594,434.32 and 387,863,555.63

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Solution

The fourth proportional to 701,134,742.75, 967,594,434.32 and 387,863,555.63 is: 535,267,466.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,134,742.75 : 967,594,434.32 = 387,863,555.63 : x
  2. Step 2: Convert to fraction form
    701,134,742.75/967,594,434.32 = 387,863,555.63/x
  3. Step 3: Cross multiply
    701,134,742.75x = 967,594,434.32 × 387,863,555.63
  4. Step 4: Simplify right side
    701,134,742.75x = 375,294,617,701,214,400
  5. Step 5: Solve for x
    x = 375,294,617,701,214,400/701,134,742.75
  6. Step 6: Final answer
    x = 535,267,466.89

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Double scale
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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.