Home / 3,985,804,981.60-5,978,707,472.40-1,225,075,274.80

Finding the Fourth Proportional to 3,985,804,981.60, 5,978,707,472.40 and 1,225,075,274.80

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Solution

The fourth proportional to 3,985,804,981.60, 5,978,707,472.40 and 1,225,075,274.80 is: 1,837,612,912.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,804,981.60 : 5,978,707,472.40 = 1,225,075,274.80 : x
  2. Step 2: Convert to fraction form
    3,985,804,981.60/5,978,707,472.40 = 1,225,075,274.80/x
  3. Step 3: Cross multiply
    3,985,804,981.60x = 5,978,707,472.40 × 1,225,075,274.80
  4. Step 4: Simplify right side
    3,985,804,981.60x = 7,324,366,699,699,243,008
  5. Step 5: Solve for x
    x = 7,324,366,699,699,243,008/3,985,804,981.60
  6. Step 6: Final answer
    x = 1,837,612,912.20

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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.