Home / 357,467,825.80-536,201,738.70-253,163,672.20

Finding the Fourth Proportional to 357,467,825.80, 536,201,738.70 and 253,163,672.20

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Solution

The fourth proportional to 357,467,825.80, 536,201,738.70 and 253,163,672.20 is: 379,745,508.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,467,825.80 : 536,201,738.70 = 253,163,672.20 : x
  2. Step 2: Convert to fraction form
    357,467,825.80/536,201,738.70 = 253,163,672.20/x
  3. Step 3: Cross multiply
    357,467,825.80x = 536,201,738.70 × 253,163,672.20
  4. Step 4: Simplify right side
    357,467,825.80x = 135,746,801,209,316,848
  5. Step 5: Solve for x
    x = 135,746,801,209,316,848/357,467,825.80
  6. Step 6: Final answer
    x = 379,745,508.30

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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.