Home / 461,811,729.69-637,058,568.47-285,543,378.81

Finding the Fourth Proportional to 461,811,729.69, 637,058,568.47 and 285,543,378.81

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Solution

The fourth proportional to 461,811,729.69, 637,058,568.47 and 285,543,378.81 is: 393,900,467.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,811,729.69 : 637,058,568.47 = 285,543,378.81 : x
  2. Step 2: Convert to fraction form
    461,811,729.69/637,058,568.47 = 285,543,378.81/x
  3. Step 3: Cross multiply
    461,811,729.69x = 637,058,568.47 × 285,543,378.81
  4. Step 4: Simplify right side
    461,811,729.69x = 181,907,856,139,357,824
  5. Step 5: Solve for x
    x = 181,907,856,139,357,824/461,811,729.69
  6. Step 6: Final answer
    x = 393,900,467.32

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Why These Related Problems?

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