Home / 737,601,814.20-1,017,948,528.18-420,075,486.12

Finding the Fourth Proportional to 737,601,814.20, 1,017,948,528.18 and 420,075,486.12

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Solution

The fourth proportional to 737,601,814.20, 1,017,948,528.18 and 420,075,486.12 is: 579,737,216.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,601,814.20 : 1,017,948,528.18 = 420,075,486.12 : x
  2. Step 2: Convert to fraction form
    737,601,814.20/1,017,948,528.18 = 420,075,486.12/x
  3. Step 3: Cross multiply
    737,601,814.20x = 1,017,948,528.18 × 420,075,486.12
  4. Step 4: Simplify right side
    737,601,814.20x = 427,615,222,820,352,000
  5. Step 5: Solve for x
    x = 427,615,222,820,352,000/737,601,814.20
  6. Step 6: Final answer
    x = 579,737,216.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.