Home / 684,021,042.27-943,950,429.27-370,755,468.45

Finding the Fourth Proportional to 684,021,042.27, 943,950,429.27 and 370,755,468.45

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Solution

The fourth proportional to 684,021,042.27, 943,950,429.27 and 370,755,468.45 is: 511,643,300.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,021,042.27 : 943,950,429.27 = 370,755,468.45 : x
  2. Step 2: Convert to fraction form
    684,021,042.27/943,950,429.27 = 370,755,468.45/x
  3. Step 3: Cross multiply
    684,021,042.27x = 943,950,429.27 × 370,755,468.45
  4. Step 4: Simplify right side
    684,021,042.27x = 349,974,783,597,577,408
  5. Step 5: Solve for x
    x = 349,974,783,597,577,408/684,021,042.27
  6. Step 6: Final answer
    x = 511,643,300.38

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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.