Home / 422,782,070.70-583,438,063.14-234,638,769.90

Finding the Fourth Proportional to 422,782,070.70, 583,438,063.14 and 234,638,769.90

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Solution

The fourth proportional to 422,782,070.70, 583,438,063.14 and 234,638,769.90 is: 323,800,839.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,782,070.70 : 583,438,063.14 = 234,638,769.90 : x
  2. Step 2: Convert to fraction form
    422,782,070.70/583,438,063.14 = 234,638,769.90/x
  3. Step 3: Cross multiply
    422,782,070.70x = 583,438,063.14 × 234,638,769.90
  4. Step 4: Simplify right side
    422,782,070.70x = 136,897,189,448,008,128
  5. Step 5: Solve for x
    x = 136,897,189,448,008,128/422,782,070.70
  6. Step 6: Final answer
    x = 323,800,839.57

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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.