Home / 737,601,806.20-1,017,948,517.14-420,075,478.12

Finding the Fourth Proportional to 737,601,806.20, 1,017,948,517.14 and 420,075,478.12

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Solution

The fourth proportional to 737,601,806.20, 1,017,948,517.14 and 420,075,478.12 is: 579,737,205.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,601,806.20 : 1,017,948,517.14 = 420,075,478.12 : x
  2. Step 2: Convert to fraction form
    737,601,806.20/1,017,948,517.14 = 420,075,478.12/x
  3. Step 3: Cross multiply
    737,601,806.20x = 1,017,948,517.14 × 420,075,478.12
  4. Step 4: Simplify right side
    737,601,806.20x = 427,615,210,039,130,496
  5. Step 5: Solve for x
    x = 427,615,210,039,130,496/737,601,806.20
  6. Step 6: Final answer
    x = 579,737,205.69

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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.