Home / 1,002,316,976.21-1,503,532,919.82-265,367,731.13

Finding the Fourth Proportional to 1,002,316,976.21, 1,503,532,919.82 and 265,367,731.13

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Solution

The fourth proportional to 1,002,316,976.21, 1,503,532,919.82 and 265,367,731.13 is: 398,066,808.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,316,976.21 : 1,503,532,919.82 = 265,367,731.13 : x
  2. Step 2: Convert to fraction form
    1,002,316,976.21/1,503,532,919.82 = 265,367,731.13/x
  3. Step 3: Cross multiply
    1,002,316,976.21x = 1,503,532,919.82 × 265,367,731.13
  4. Step 4: Simplify right side
    1,002,316,976.21x = 398,989,119,604,379,904
  5. Step 5: Solve for x
    x = 398,989,119,604,379,904/1,002,316,976.21
  6. Step 6: Final answer
    x = 398,066,808.28

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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.