Home / 1,209,253,399.56-1,814,167,952.54-391,365,700.52

Finding the Fourth Proportional to 1,209,253,399.56, 1,814,167,952.54 and 391,365,700.52

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Solution

The fourth proportional to 1,209,253,399.56, 1,814,167,952.54 and 391,365,700.52 is: 587,141,712.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,253,399.56 : 1,814,167,952.54 = 391,365,700.52 : x
  2. Step 2: Convert to fraction form
    1,209,253,399.56/1,814,167,952.54 = 391,365,700.52/x
  3. Step 3: Cross multiply
    1,209,253,399.56x = 1,814,167,952.54 × 391,365,700.52
  4. Step 4: Simplify right side
    1,209,253,399.56x = 710,003,111,606,751,104
  5. Step 5: Solve for x
    x = 710,003,111,606,751,104/1,209,253,399.56
  6. Step 6: Final answer
    x = 587,141,712.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.