Home / 657,273,420.12-985,051,686.78-501,255,960.78

Finding the Fourth Proportional to 657,273,420.12, 985,051,686.78 and 501,255,960.78

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Solution

The fourth proportional to 657,273,420.12, 985,051,686.78 and 501,255,960.78 is: 751,229,267.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,273,420.12 : 985,051,686.78 = 501,255,960.78 : x
  2. Step 2: Convert to fraction form
    657,273,420.12/985,051,686.78 = 501,255,960.78/x
  3. Step 3: Cross multiply
    657,273,420.12x = 985,051,686.78 × 501,255,960.78
  4. Step 4: Simplify right side
    657,273,420.12x = 493,763,029,674,868,480
  5. Step 5: Solve for x
    x = 493,763,029,674,868,480/657,273,420.12
  6. Step 6: Final answer
    x = 751,229,267.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.