Home / 672,605,114.80-1,008,907,672.20-474,590,198.20

Finding the Fourth Proportional to 672,605,114.80, 1,008,907,672.20 and 474,590,198.20

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Solution

The fourth proportional to 672,605,114.80, 1,008,907,672.20 and 474,590,198.20 is: 711,885,297.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,605,114.80 : 1,008,907,672.20 = 474,590,198.20 : x
  2. Step 2: Convert to fraction form
    672,605,114.80/1,008,907,672.20 = 474,590,198.20/x
  3. Step 3: Cross multiply
    672,605,114.80x = 1,008,907,672.20 × 474,590,198.20
  4. Step 4: Simplify right side
    672,605,114.80x = 478,817,692,114,898,624
  5. Step 5: Solve for x
    x = 478,817,692,114,898,624/672,605,114.80
  6. Step 6: Final answer
    x = 711,885,297.30

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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.