Home / 471,543,634.30-706,533,500.54-286,752,128.90

Finding the Fourth Proportional to 471,543,634.30, 706,533,500.54 and 286,752,128.90

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Solution

The fourth proportional to 471,543,634.30, 706,533,500.54 and 286,752,128.90 is: 429,652,678.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,543,634.30 : 706,533,500.54 = 286,752,128.90 : x
  2. Step 2: Convert to fraction form
    471,543,634.30/706,533,500.54 = 286,752,128.90/x
  3. Step 3: Cross multiply
    471,543,634.30x = 706,533,500.54 × 286,752,128.90
  4. Step 4: Simplify right side
    471,543,634.30x = 202,599,985,419,014,272
  5. Step 5: Solve for x
    x = 202,599,985,419,014,272/471,543,634.30
  6. Step 6: Final answer
    x = 429,652,678.31

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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.