Home / 684,021,044.16-943,950,431.85-370,755,470.34

Finding the Fourth Proportional to 684,021,044.16, 943,950,431.85 and 370,755,470.34

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Solution

The fourth proportional to 684,021,044.16, 943,950,431.85 and 370,755,470.34 is: 511,643,302.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,021,044.16 : 943,950,431.85 = 370,755,470.34 : x
  2. Step 2: Convert to fraction form
    684,021,044.16/943,950,431.85 = 370,755,470.34/x
  3. Step 3: Cross multiply
    684,021,044.16x = 943,950,431.85 × 370,755,470.34
  4. Step 4: Simplify right side
    684,021,044.16x = 349,974,786,338,192,832
  5. Step 5: Solve for x
    x = 349,974,786,338,192,832/684,021,044.16
  6. Step 6: Final answer
    x = 511,643,302.97

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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.