Home / 684,021,042.15-943,950,429.10-370,755,468.33

Finding the Fourth Proportional to 684,021,042.15, 943,950,429.10 and 370,755,468.33

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Solution

The fourth proportional to 684,021,042.15, 943,950,429.10 and 370,755,468.33 is: 511,643,300.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,021,042.15 : 943,950,429.10 = 370,755,468.33 : x
  2. Step 2: Convert to fraction form
    684,021,042.15/943,950,429.10 = 370,755,468.33/x
  3. Step 3: Cross multiply
    684,021,042.15x = 943,950,429.10 × 370,755,468.33
  4. Step 4: Simplify right side
    684,021,042.15x = 349,974,783,421,274,944
  5. Step 5: Solve for x
    x = 349,974,783,421,274,944/684,021,042.15
  6. Step 6: Final answer
    x = 511,643,300.21

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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.