Home / 475,575,627,338.40-656,294,472,855-261,719,517,410.40

Finding the Fourth Proportional to 475,575,627,338.40, 656,294,472,855 and 261,719,517,410.40

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Solution

The fourth proportional to 475,575,627,338.40, 656,294,472,855 and 261,719,517,410.40 is: 361,172,992,981.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,575,627,338.40 : 656,294,472,855 = 261,719,517,410.40 : x
  2. Step 2: Convert to fraction form
    475,575,627,338.40/656,294,472,855 = 261,719,517,410.40/x
  3. Step 3: Cross multiply
    475,575,627,338.40x = 656,294,472,855 × 261,719,517,410.40
  4. Step 4: Simplify right side
    475,575,627,338.40x = 171,765,072,714,723,451,994,112
  5. Step 5: Solve for x
    x = 171,765,072,714,723,451,994,112/475,575,627,338.40
  6. Step 6: Final answer
    x = 361,172,992,981.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.