Home / 436,659,503.20-654,989,254.80-370,902,536.80

Finding the Fourth Proportional to 436,659,503.20, 654,989,254.80 and 370,902,536.80

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Solution

The fourth proportional to 436,659,503.20, 654,989,254.80 and 370,902,536.80 is: 556,353,805.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,659,503.20 : 654,989,254.80 = 370,902,536.80 : x
  2. Step 2: Convert to fraction form
    436,659,503.20/654,989,254.80 = 370,902,536.80/x
  3. Step 3: Cross multiply
    436,659,503.20x = 654,989,254.80 × 370,902,536.80
  4. Step 4: Simplify right side
    436,659,503.20x = 242,937,176,182,061,568
  5. Step 5: Solve for x
    x = 242,937,176,182,061,568/436,659,503.20
  6. Step 6: Final answer
    x = 556,353,805.20

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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.