Home / 412,572,311.60-569,298,114.21-278,901,070.29

Finding the Fourth Proportional to 412,572,311.60, 569,298,114.21 and 278,901,070.29

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Solution

The fourth proportional to 412,572,311.60, 569,298,114.21 and 278,901,070.29 is: 384,848,543.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,572,311.60 : 569,298,114.21 = 278,901,070.29 : x
  2. Step 2: Convert to fraction form
    412,572,311.60/569,298,114.21 = 278,901,070.29/x
  3. Step 3: Cross multiply
    412,572,311.60x = 569,298,114.21 × 278,901,070.29
  4. Step 4: Simplify right side
    412,572,311.60x = 158,777,853,365,942,400
  5. Step 5: Solve for x
    x = 158,777,853,365,942,400/412,572,311.60
  6. Step 6: Final answer
    x = 384,848,543.88

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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.