Home / 975,743,187.20-1,463,304,051.84-320,542,136.96

Finding the Fourth Proportional to 975,743,187.20, 1,463,304,051.84 and 320,542,136.96

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Solution

The fourth proportional to 975,743,187.20, 1,463,304,051.84 and 320,542,136.96 is: 480,711,127.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,743,187.20 : 1,463,304,051.84 = 320,542,136.96 : x
  2. Step 2: Convert to fraction form
    975,743,187.20/1,463,304,051.84 = 320,542,136.96/x
  3. Step 3: Cross multiply
    975,743,187.20x = 1,463,304,051.84 × 320,542,136.96
  4. Step 4: Simplify right side
    975,743,187.20x = 469,050,607,799,020,160
  5. Step 5: Solve for x
    x = 469,050,607,799,020,160/975,743,187.20
  6. Step 6: Final answer
    x = 480,711,127.63

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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.