Home / 727,823,144.52-1,090,623,800.70-432,135,996.57

Finding the Fourth Proportional to 727,823,144.52, 1,090,623,800.70 and 432,135,996.57

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Solution

The fourth proportional to 727,823,144.52, 1,090,623,800.70 and 432,135,996.57 is: 647,544,402.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,823,144.52 : 1,090,623,800.70 = 432,135,996.57 : x
  2. Step 2: Convert to fraction form
    727,823,144.52/1,090,623,800.70 = 432,135,996.57/x
  3. Step 3: Cross multiply
    727,823,144.52x = 1,090,623,800.70 × 432,135,996.57
  4. Step 4: Simplify right side
    727,823,144.52x = 471,297,802,998,455,552
  5. Step 5: Solve for x
    x = 471,297,802,998,455,552/727,823,144.52
  6. Step 6: Final answer
    x = 647,544,402.16

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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.