Home / 810,523,659.04-1,118,523,605.75-439,245,690.42

Finding the Fourth Proportional to 810,523,659.04, 1,118,523,605.75 and 439,245,690.42

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Solution

The fourth proportional to 810,523,659.04, 1,118,523,605.75 and 439,245,690.42 is: 606,159,571.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,523,659.04 : 1,118,523,605.75 = 439,245,690.42 : x
  2. Step 2: Convert to fraction form
    810,523,659.04/1,118,523,605.75 = 439,245,690.42/x
  3. Step 3: Cross multiply
    810,523,659.04x = 1,118,523,605.75 × 439,245,690.42
  4. Step 4: Simplify right side
    810,523,659.04x = 491,306,673,458,726,656
  5. Step 5: Solve for x
    x = 491,306,673,458,726,656/810,523,659.04
  6. Step 6: Final answer
    x = 606,159,571.01

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Double scale
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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.