Home / 907,642,627.13-1,252,534,093.32-505,773,313.85

Finding the Fourth Proportional to 907,642,627.13, 1,252,534,093.32 and 505,773,313.85

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Solution

The fourth proportional to 907,642,627.13, 1,252,534,093.32 and 505,773,313.85 is: 697,960,078.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,642,627.13 : 1,252,534,093.32 = 505,773,313.85 : x
  2. Step 2: Convert to fraction form
    907,642,627.13/1,252,534,093.32 = 505,773,313.85/x
  3. Step 3: Cross multiply
    907,642,627.13x = 1,252,534,093.32 × 505,773,313.85
  4. Step 4: Simplify right side
    907,642,627.13x = 633,498,319,086,032,768
  5. Step 5: Solve for x
    x = 633,498,319,086,032,768/907,642,627.13
  6. Step 6: Final answer
    x = 697,960,078.29

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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.