Home / 708,590,058.30-1,062,885,087.45-397,378,208.70

Finding the Fourth Proportional to 708,590,058.30, 1,062,885,087.45 and 397,378,208.70

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Solution

The fourth proportional to 708,590,058.30, 1,062,885,087.45 and 397,378,208.70 is: 596,067,313.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,590,058.30 : 1,062,885,087.45 = 397,378,208.70 : x
  2. Step 2: Convert to fraction form
    708,590,058.30/1,062,885,087.45 = 397,378,208.70/x
  3. Step 3: Cross multiply
    708,590,058.30x = 1,062,885,087.45 × 397,378,208.70
  4. Step 4: Simplify right side
    708,590,058.30x = 422,367,372,104,823,872
  5. Step 5: Solve for x
    x = 422,367,372,104,823,872/708,590,058.30
  6. Step 6: Final answer
    x = 596,067,313.05

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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.