Home / 1,082,716,820.80-1,624,075,231.20-392,646,587.20

Finding the Fourth Proportional to 1,082,716,820.80, 1,624,075,231.20 and 392,646,587.20

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Solution

The fourth proportional to 1,082,716,820.80, 1,624,075,231.20 and 392,646,587.20 is: 588,969,880.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,716,820.80 : 1,624,075,231.20 = 392,646,587.20 : x
  2. Step 2: Convert to fraction form
    1,082,716,820.80/1,624,075,231.20 = 392,646,587.20/x
  3. Step 3: Cross multiply
    1,082,716,820.80x = 1,624,075,231.20 × 392,646,587.20
  4. Step 4: Simplify right side
    1,082,716,820.80x = 637,687,596,886,731,008
  5. Step 5: Solve for x
    x = 637,687,596,886,731,008/1,082,716,820.80
  6. Step 6: Final answer
    x = 588,969,880.80

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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.