Home / 622,758,540.30-934,137,810.45-393,434,969.10

Finding the Fourth Proportional to 622,758,540.30, 934,137,810.45 and 393,434,969.10

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Solution

The fourth proportional to 622,758,540.30, 934,137,810.45 and 393,434,969.10 is: 590,152,453.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,758,540.30 : 934,137,810.45 = 393,434,969.10 : x
  2. Step 2: Convert to fraction form
    622,758,540.30/934,137,810.45 = 393,434,969.10/x
  3. Step 3: Cross multiply
    622,758,540.30x = 934,137,810.45 × 393,434,969.10
  4. Step 4: Simplify right side
    622,758,540.30x = 367,522,480,589,537,472
  5. Step 5: Solve for x
    x = 367,522,480,589,537,472/622,758,540.30
  6. Step 6: Final answer
    x = 590,152,453.65

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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.