Home / 708,590,081.80-1,062,885,122.70-397,378,232.20

Finding the Fourth Proportional to 708,590,081.80, 1,062,885,122.70 and 397,378,232.20

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Solution

The fourth proportional to 708,590,081.80, 1,062,885,122.70 and 397,378,232.20 is: 596,067,348.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,590,081.80 : 1,062,885,122.70 = 397,378,232.20 : x
  2. Step 2: Convert to fraction form
    708,590,081.80/1,062,885,122.70 = 397,378,232.20/x
  3. Step 3: Cross multiply
    708,590,081.80x = 1,062,885,122.70 × 397,378,232.20
  4. Step 4: Simplify right side
    708,590,081.80x = 422,367,411,090,206,080
  5. Step 5: Solve for x
    x = 422,367,411,090,206,080/708,590,081.80
  6. Step 6: Final answer
    x = 596,067,348.30

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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.