Home / 810,523,659.47-1,118,523,606.84-439,245,690.86

Finding the Fourth Proportional to 810,523,659.47, 1,118,523,606.84 and 439,245,690.86

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Solution

The fourth proportional to 810,523,659.47, 1,118,523,606.84 and 439,245,690.86 is: 606,159,571.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,523,659.47 : 1,118,523,606.84 = 439,245,690.86 : x
  2. Step 2: Convert to fraction form
    810,523,659.47/1,118,523,606.84 = 439,245,690.86/x
  3. Step 3: Cross multiply
    810,523,659.47x = 1,118,523,606.84 × 439,245,690.86
  4. Step 4: Simplify right side
    810,523,659.47x = 491,306,674,429,654,784
  5. Step 5: Solve for x
    x = 491,306,674,429,654,784/810,523,659.47
  6. Step 6: Final answer
    x = 606,159,571.89

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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.