Home / 810,523,658.47-1,118,523,605.46-439,245,689.86

Finding the Fourth Proportional to 810,523,658.47, 1,118,523,605.46 and 439,245,689.86

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Solution

The fourth proportional to 810,523,658.47, 1,118,523,605.46 and 439,245,689.86 is: 606,159,570.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,523,658.47 : 1,118,523,605.46 = 439,245,689.86 : x
  2. Step 2: Convert to fraction form
    810,523,658.47/1,118,523,605.46 = 439,245,689.86/x
  3. Step 3: Cross multiply
    810,523,658.47x = 1,118,523,605.46 × 439,245,689.86
  4. Step 4: Simplify right side
    810,523,658.47x = 491,306,672,704,972,224
  5. Step 5: Solve for x
    x = 491,306,672,704,972,224/810,523,658.47
  6. Step 6: Final answer
    x = 606,159,570.51

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Double scale
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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.