Home / 657,213,221.80-906,950,949.06-359,850,065.32

Finding the Fourth Proportional to 657,213,221.80, 906,950,949.06 and 359,850,065.32

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Solution

The fourth proportional to 657,213,221.80, 906,950,949.06 and 359,850,065.32 is: 496,591,284.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,213,221.80 : 906,950,949.06 = 359,850,065.32 : x
  2. Step 2: Convert to fraction form
    657,213,221.80/906,950,949.06 = 359,850,065.32/x
  3. Step 3: Cross multiply
    657,213,221.80x = 906,950,949.06 × 359,850,065.32
  4. Step 4: Simplify right side
    657,213,221.80x = 326,366,358,261,276,992
  5. Step 5: Solve for x
    x = 326,366,358,261,276,992/657,213,221.80
  6. Step 6: Final answer
    x = 496,591,284.89

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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.