Home / 357,467,279.80-536,200,919.70-253,163,126.20

Finding the Fourth Proportional to 357,467,279.80, 536,200,919.70 and 253,163,126.20

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Solution

The fourth proportional to 357,467,279.80, 536,200,919.70 and 253,163,126.20 is: 379,744,689.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,467,279.80 : 536,200,919.70 = 253,163,126.20 : x
  2. Step 2: Convert to fraction form
    357,467,279.80/536,200,919.70 = 253,163,126.20/x
  3. Step 3: Cross multiply
    357,467,279.80x = 536,200,919.70 × 253,163,126.20
  4. Step 4: Simplify right side
    357,467,279.80x = 135,746,301,102,567,152
  5. Step 5: Solve for x
    x = 135,746,301,102,567,152/357,467,279.80
  6. Step 6: Final answer
    x = 379,744,689.30

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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.