Home / 657,213,220.80-906,950,947.68-359,850,064.32

Finding the Fourth Proportional to 657,213,220.80, 906,950,947.68 and 359,850,064.32

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Solution

The fourth proportional to 657,213,220.80, 906,950,947.68 and 359,850,064.32 is: 496,591,283.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,213,220.80 : 906,950,947.68 = 359,850,064.32 : x
  2. Step 2: Convert to fraction form
    657,213,220.80/906,950,947.68 = 359,850,064.32/x
  3. Step 3: Cross multiply
    657,213,220.80x = 906,950,947.68 × 359,850,064.32
  4. Step 4: Simplify right side
    657,213,220.80x = 326,366,356,857,732,928
  5. Step 5: Solve for x
    x = 326,366,356,857,732,928/657,213,220.80
  6. Step 6: Final answer
    x = 496,591,283.51

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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.