Home / 923,473,519.72-1,274,394,686.49-500,087,911.57

Finding the Fourth Proportional to 923,473,519.72, 1,274,394,686.49 and 500,087,911.57

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Solution

The fourth proportional to 923,473,519.72, 1,274,394,686.49 and 500,087,911.57 is: 690,121,983.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,473,519.72 : 1,274,394,686.49 = 500,087,911.57 : x
  2. Step 2: Convert to fraction form
    923,473,519.72/1,274,394,686.49 = 500,087,911.57/x
  3. Step 3: Cross multiply
    923,473,519.72x = 1,274,394,686.49 × 500,087,911.57
  4. Step 4: Simplify right side
    923,473,519.72x = 637,309,377,279,502,976
  5. Step 5: Solve for x
    x = 637,309,377,279,502,976/923,473,519.72
  6. Step 6: Final answer
    x = 690,121,983.65

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1.5x scale

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.