Home / 742,665,473.43-1,112,159,464.21-545,461,256.17

Finding the Fourth Proportional to 742,665,473.43, 1,112,159,464.21 and 545,461,256.17

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Solution

The fourth proportional to 742,665,473.43, 1,112,159,464.21 and 545,461,256.17 is: 816,841,391.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,665,473.43 : 1,112,159,464.21 = 545,461,256.17 : x
  2. Step 2: Convert to fraction form
    742,665,473.43/1,112,159,464.21 = 545,461,256.17/x
  3. Step 3: Cross multiply
    742,665,473.43x = 1,112,159,464.21 × 545,461,256.17
  4. Step 4: Simplify right side
    742,665,473.43x = 606,639,898,409,340,672
  5. Step 5: Solve for x
    x = 606,639,898,409,340,672/742,665,473.43
  6. Step 6: Final answer
    x = 816,841,391.06

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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.