Home / 742,563,849.42-1,113,845,980.53-276,164,334.72

Finding the Fourth Proportional to 742,563,849.42, 1,113,845,980.53 and 276,164,334.72

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Solution

The fourth proportional to 742,563,849.42, 1,113,845,980.53 and 276,164,334.72 is: 414,246,578.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,563,849.42 : 1,113,845,980.53 = 276,164,334.72 : x
  2. Step 2: Convert to fraction form
    742,563,849.42/1,113,845,980.53 = 276,164,334.72/x
  3. Step 3: Cross multiply
    742,563,849.42x = 1,113,845,980.53 × 276,164,334.72
  4. Step 4: Simplify right side
    742,563,849.42x = 307,604,534,193,613,568
  5. Step 5: Solve for x
    x = 307,604,534,193,613,568/742,563,849.42
  6. Step 6: Final answer
    x = 414,246,578.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.