Home / 28,979,665,695.36-39,992,074,090.56-16,463,854,039.68

Finding the Fourth Proportional to 28,979,665,695.36, 39,992,074,090.56 and 16,463,854,039.68

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Solution

The fourth proportional to 28,979,665,695.36, 39,992,074,090.56 and 16,463,854,039.68 is: 22,720,195,515.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,979,665,695.36 : 39,992,074,090.56 = 16,463,854,039.68 : x
  2. Step 2: Convert to fraction form
    28,979,665,695.36/39,992,074,090.56 = 16,463,854,039.68/x
  3. Step 3: Cross multiply
    28,979,665,695.36x = 39,992,074,090.56 × 16,463,854,039.68
  4. Step 4: Simplify right side
    28,979,665,695.36x = 658,423,670,571,048,108,032
  5. Step 5: Solve for x
    x = 658,423,670,571,048,108,032/28,979,665,695.36
  6. Step 6: Final answer
    x = 22,720,195,515.45

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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.