Home / 748,933,777,855.60-1,123,400,666,783.40-431,558,913,266.80

Finding the Fourth Proportional to 748,933,777,855.60, 1,123,400,666,783.40 and 431,558,913,266.80

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Solution

The fourth proportional to 748,933,777,855.60, 1,123,400,666,783.40 and 431,558,913,266.80 is: 647,338,369,900.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,933,777,855.60 : 1,123,400,666,783.40 = 431,558,913,266.80 : x
  2. Step 2: Convert to fraction form
    748,933,777,855.60/1,123,400,666,783.40 = 431,558,913,266.80/x
  3. Step 3: Cross multiply
    748,933,777,855.60x = 1,123,400,666,783.40 × 431,558,913,266.80
  4. Step 4: Simplify right side
    748,933,777,855.60x = 484,813,570,920,242,560,892,928
  5. Step 5: Solve for x
    x = 484,813,570,920,242,560,892,928/748,933,777,855.60
  6. Step 6: Final answer
    x = 647,338,369,900.20

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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.