Home / 320,572,810.80-480,859,216.20-302,716,393.20

Finding the Fourth Proportional to 320,572,810.80, 480,859,216.20 and 302,716,393.20

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Solution

The fourth proportional to 320,572,810.80, 480,859,216.20 and 302,716,393.20 is: 454,074,589.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,572,810.80 : 480,859,216.20 = 302,716,393.20 : x
  2. Step 2: Convert to fraction form
    320,572,810.80/480,859,216.20 = 302,716,393.20/x
  3. Step 3: Cross multiply
    320,572,810.80x = 480,859,216.20 × 302,716,393.20
  4. Step 4: Simplify right side
    320,572,810.80x = 145,563,967,565,043,008
  5. Step 5: Solve for x
    x = 145,563,967,565,043,008/320,572,810.80
  6. Step 6: Final answer
    x = 454,074,589.80

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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.