Home / 449,568,035.70-674,370,715.95-142,851,491.70

Finding the Fourth Proportional to 449,568,035.70, 674,370,715.95 and 142,851,491.70

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Solution

The fourth proportional to 449,568,035.70, 674,370,715.95 and 142,851,491.70 is: 214,283,167.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,568,035.70 : 674,370,715.95 = 142,851,491.70 : x
  2. Step 2: Convert to fraction form
    449,568,035.70/674,370,715.95 = 142,851,491.70/x
  3. Step 3: Cross multiply
    449,568,035.70x = 674,370,715.95 × 142,851,491.70
  4. Step 4: Simplify right side
    449,568,035.70x = 96,334,862,732,254,480
  5. Step 5: Solve for x
    x = 96,334,862,732,254,480/449,568,035.70
  6. Step 6: Final answer
    x = 214,283,167.58

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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.