Home / 609,038,725.02-840,451,692.64-344,715,041.42

Finding the Fourth Proportional to 609,038,725.02, 840,451,692.64 and 344,715,041.42

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Solution

The fourth proportional to 609,038,725.02, 840,451,692.64 and 344,715,041.42 is: 475,694,447.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,038,725.02 : 840,451,692.64 = 344,715,041.42 : x
  2. Step 2: Convert to fraction form
    609,038,725.02/840,451,692.64 = 344,715,041.42/x
  3. Step 3: Cross multiply
    609,038,725.02x = 840,451,692.64 × 344,715,041.42
  4. Step 4: Simplify right side
    609,038,725.02x = 289,716,340,038,638,976
  5. Step 5: Solve for x
    x = 289,716,340,038,638,976/609,038,725.02
  6. Step 6: Final answer
    x = 475,694,447.88

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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.