Home / 810,523,695.92-1,118,523,656.63-439,245,727.29

Finding the Fourth Proportional to 810,523,695.92, 1,118,523,656.63 and 439,245,727.29

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Solution

The fourth proportional to 810,523,695.92, 1,118,523,656.63 and 439,245,727.29 is: 606,159,621.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,523,695.92 : 1,118,523,656.63 = 439,245,727.29 : x
  2. Step 2: Convert to fraction form
    810,523,695.92/1,118,523,656.63 = 439,245,727.29/x
  3. Step 3: Cross multiply
    810,523,695.92x = 1,118,523,656.63 × 439,245,727.29
  4. Step 4: Simplify right side
    810,523,695.92x = 491,306,737,048,612,672
  5. Step 5: Solve for x
    x = 491,306,737,048,612,672/810,523,695.92
  6. Step 6: Final answer
    x = 606,159,621.89

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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.