Home / 742,665,472.43-1,112,159,462.72-545,461,255.17

Finding the Fourth Proportional to 742,665,472.43, 1,112,159,462.72 and 545,461,255.17

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Solution

The fourth proportional to 742,665,472.43, 1,112,159,462.72 and 545,461,255.17 is: 816,841,389.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,665,472.43 : 1,112,159,462.72 = 545,461,255.17 : x
  2. Step 2: Convert to fraction form
    742,665,472.43/1,112,159,462.72 = 545,461,255.17/x
  3. Step 3: Cross multiply
    742,665,472.43x = 1,112,159,462.72 × 545,461,255.17
  4. Step 4: Simplify right side
    742,665,472.43x = 606,639,896,481,716,608
  5. Step 5: Solve for x
    x = 606,639,896,481,716,608/742,665,472.43
  6. Step 6: Final answer
    x = 816,841,389.57

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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.