Home / 15,090,283,788.98-20,823,985,332.78-8,223,534,602.78

Finding the Fourth Proportional to 15,090,283,788.98, 20,823,985,332.78 and 8,223,534,602.78

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Solution

The fourth proportional to 15,090,283,788.98, 20,823,985,332.78 and 8,223,534,602.78 is: 11,348,147,347.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,090,283,788.98 : 20,823,985,332.78 = 8,223,534,602.78 : x
  2. Step 2: Convert to fraction form
    15,090,283,788.98/20,823,985,332.78 = 8,223,534,602.78/x
  3. Step 3: Cross multiply
    15,090,283,788.98x = 20,823,985,332.78 × 8,223,534,602.78
  4. Step 4: Simplify right side
    15,090,283,788.98x = 171,246,763,951,899,508,736
  5. Step 5: Solve for x
    x = 171,246,763,951,899,508,736/15,090,283,788.98
  6. Step 6: Final answer
    x = 11,348,147,347.43

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1.5x scale

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.