Home / 810,523,632.19-1,118,523,568.73-439,245,663.57

Finding the Fourth Proportional to 810,523,632.19, 1,118,523,568.73 and 439,245,663.57

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Solution

The fourth proportional to 810,523,632.19, 1,118,523,568.73 and 439,245,663.57 is: 606,159,533.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,523,632.19 : 1,118,523,568.73 = 439,245,663.57 : x
  2. Step 2: Convert to fraction form
    810,523,632.19/1,118,523,568.73 = 439,245,663.57/x
  3. Step 3: Cross multiply
    810,523,632.19x = 1,118,523,568.73 × 439,245,663.57
  4. Step 4: Simplify right side
    810,523,632.19x = 491,306,627,159,900,736
  5. Step 5: Solve for x
    x = 491,306,627,159,900,736/810,523,632.19
  6. Step 6: Final answer
    x = 606,159,533.97

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.