Home / 810,523,638.45-1,118,523,577.37-439,245,669.83

Finding the Fourth Proportional to 810,523,638.45, 1,118,523,577.37 and 439,245,669.83

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Solution

The fourth proportional to 810,523,638.45, 1,118,523,577.37 and 439,245,669.83 is: 606,159,542.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,523,638.45 : 1,118,523,577.37 = 439,245,669.83 : x
  2. Step 2: Convert to fraction form
    810,523,638.45/1,118,523,577.37 = 439,245,669.83/x
  3. Step 3: Cross multiply
    810,523,638.45x = 1,118,523,577.37 × 439,245,669.83
  4. Step 4: Simplify right side
    810,523,638.45x = 491,306,637,954,744,640
  5. Step 5: Solve for x
    x = 491,306,637,954,744,640/810,523,638.45
  6. Step 6: Final answer
    x = 606,159,542.61

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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.