Home / 663,821,113.31-995,240,785.01-401,447,334.05

Finding the Fourth Proportional to 663,821,113.31, 995,240,785.01 and 401,447,334.05

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Solution

The fourth proportional to 663,821,113.31, 995,240,785.01 and 401,447,334.05 is: 601,874,137.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,821,113.31 : 995,240,785.01 = 401,447,334.05 : x
  2. Step 2: Convert to fraction form
    663,821,113.31/995,240,785.01 = 401,447,334.05/x
  3. Step 3: Cross multiply
    663,821,113.31x = 995,240,785.01 × 401,447,334.05
  4. Step 4: Simplify right side
    663,821,113.31x = 399,536,759,879,648,960
  5. Step 5: Solve for x
    x = 399,536,759,879,648,960/663,821,113.31
  6. Step 6: Final answer
    x = 601,874,137.28

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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.