Home / 810,523,661.48-1,118,523,609.60-439,245,692.86

Finding the Fourth Proportional to 810,523,661.48, 1,118,523,609.60 and 439,245,692.86

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Solution

The fourth proportional to 810,523,661.48, 1,118,523,609.60 and 439,245,692.86 is: 606,159,574.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,523,661.48 : 1,118,523,609.60 = 439,245,692.86 : x
  2. Step 2: Convert to fraction form
    810,523,661.48/1,118,523,609.60 = 439,245,692.86/x
  3. Step 3: Cross multiply
    810,523,661.48x = 1,118,523,609.60 × 439,245,692.86
  4. Step 4: Simplify right side
    810,523,661.48x = 491,306,677,879,020,096
  5. Step 5: Solve for x
    x = 491,306,677,879,020,096/810,523,661.48
  6. Step 6: Final answer
    x = 606,159,574.64

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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.