Home / 657,604,682.74-907,273,381.17-379,140,135.22

Finding the Fourth Proportional to 657,604,682.74, 907,273,381.17 and 379,140,135.22

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Solution

The fourth proportional to 657,604,682.74, 907,273,381.17 and 379,140,135.22 is: 523,085,922.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,604,682.74 : 907,273,381.17 = 379,140,135.22 : x
  2. Step 2: Convert to fraction form
    657,604,682.74/907,273,381.17 = 379,140,135.22/x
  3. Step 3: Cross multiply
    657,604,682.74x = 907,273,381.17 × 379,140,135.22
  4. Step 4: Simplify right side
    657,604,682.74x = 343,983,752,418,300,416
  5. Step 5: Solve for x
    x = 343,983,752,418,300,416/657,604,682.74
  6. Step 6: Final answer
    x = 523,085,922.97

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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.