Home / 901,987,478.04-1,353,068,194.32-280,035,718.86

Finding the Fourth Proportional to 901,987,478.04, 1,353,068,194.32 and 280,035,718.86

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Solution

The fourth proportional to 901,987,478.04, 1,353,068,194.32 and 280,035,718.86 is: 420,080,581.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,987,478.04 : 1,353,068,194.32 = 280,035,718.86 : x
  2. Step 2: Convert to fraction form
    901,987,478.04/1,353,068,194.32 = 280,035,718.86/x
  3. Step 3: Cross multiply
    901,987,478.04x = 1,353,068,194.32 × 280,035,718.86
  4. Step 4: Simplify right side
    901,987,478.04x = 378,907,424,463,003,392
  5. Step 5: Solve for x
    x = 378,907,424,463,003,392/901,987,478.04
  6. Step 6: Final answer
    x = 420,080,581.70

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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.