Home / 736,128,001.40-1,104,192,002.10-218,638,311.80

Finding the Fourth Proportional to 736,128,001.40, 1,104,192,002.10 and 218,638,311.80

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Solution

The fourth proportional to 736,128,001.40, 1,104,192,002.10 and 218,638,311.80 is: 327,957,467.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,128,001.40 : 1,104,192,002.10 = 218,638,311.80 : x
  2. Step 2: Convert to fraction form
    736,128,001.40/1,104,192,002.10 = 218,638,311.80/x
  3. Step 3: Cross multiply
    736,128,001.40x = 1,104,192,002.10 × 218,638,311.80
  4. Step 4: Simplify right side
    736,128,001.40x = 241,418,675,242,206,048
  5. Step 5: Solve for x
    x = 241,418,675,242,206,048/736,128,001.40
  6. Step 6: Final answer
    x = 327,957,467.70

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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.