Home / 1,129,984,742.80-1,694,322,704.04-382,750,075.72

Finding the Fourth Proportional to 1,129,984,742.80, 1,694,322,704.04 and 382,750,075.72

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Solution

The fourth proportional to 1,129,984,742.80, 1,694,322,704.04 and 382,750,075.72 is: 573,903,450.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,984,742.80 : 1,694,322,704.04 = 382,750,075.72 : x
  2. Step 2: Convert to fraction form
    1,129,984,742.80/1,694,322,704.04 = 382,750,075.72/x
  3. Step 3: Cross multiply
    1,129,984,742.80x = 1,694,322,704.04 × 382,750,075.72
  4. Step 4: Simplify right side
    1,129,984,742.80x = 648,502,143,256,953,472
  5. Step 5: Solve for x
    x = 648,502,143,256,953,472/1,129,984,742.80
  6. Step 6: Final answer
    x = 573,903,450.81

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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.