Home / 810,523,612.85-1,118,523,542.27-439,245,644.22

Finding the Fourth Proportional to 810,523,612.85, 1,118,523,542.27 and 439,245,644.22

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Solution

The fourth proportional to 810,523,612.85, 1,118,523,542.27 and 439,245,644.22 is: 606,159,507.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,523,612.85 : 1,118,523,542.27 = 439,245,644.22 : x
  2. Step 2: Convert to fraction form
    810,523,612.85/1,118,523,542.27 = 439,245,644.22/x
  3. Step 3: Cross multiply
    810,523,612.85x = 1,118,523,542.27 × 439,245,644.22
  4. Step 4: Simplify right side
    810,523,612.85x = 491,306,593,897,426,432
  5. Step 5: Solve for x
    x = 491,306,593,897,426,432/810,523,612.85
  6. Step 6: Final answer
    x = 606,159,507.40

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1.5x scale

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.