Home / 471,543,634.80-706,533,501.29-286,752,129.39

Finding the Fourth Proportional to 471,543,634.80, 706,533,501.29 and 286,752,129.39

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Solution

The fourth proportional to 471,543,634.80, 706,533,501.29 and 286,752,129.39 is: 429,652,679.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,543,634.80 : 706,533,501.29 = 286,752,129.39 : x
  2. Step 2: Convert to fraction form
    471,543,634.80/706,533,501.29 = 286,752,129.39/x
  3. Step 3: Cross multiply
    471,543,634.80x = 706,533,501.29 × 286,752,129.39
  4. Step 4: Simplify right side
    471,543,634.80x = 202,599,985,978,846,016
  5. Step 5: Solve for x
    x = 202,599,985,978,846,016/471,543,634.80
  6. Step 6: Final answer
    x = 429,652,679.05

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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.