Home / 331,485,645.70-497,228,468.55-202,345,482.70

Finding the Fourth Proportional to 331,485,645.70, 497,228,468.55 and 202,345,482.70

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Solution

The fourth proportional to 331,485,645.70, 497,228,468.55 and 202,345,482.70 is: 303,518,224.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,485,645.70 : 497,228,468.55 = 202,345,482.70 : x
  2. Step 2: Convert to fraction form
    331,485,645.70/497,228,468.55 = 202,345,482.70/x
  3. Step 3: Cross multiply
    331,485,645.70x = 497,228,468.55 × 202,345,482.70
  4. Step 4: Simplify right side
    331,485,645.70x = 100,611,934,480,931,520
  5. Step 5: Solve for x
    x = 100,611,934,480,931,520/331,485,645.70
  6. Step 6: Final answer
    x = 303,518,224.05

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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.