Home / 1,679,453,075.70-2,519,179,613.55-452,621,527.20

Finding the Fourth Proportional to 1,679,453,075.70, 2,519,179,613.55 and 452,621,527.20

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Solution

The fourth proportional to 1,679,453,075.70, 2,519,179,613.55 and 452,621,527.20 is: 678,932,290.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,453,075.70 : 2,519,179,613.55 = 452,621,527.20 : x
  2. Step 2: Convert to fraction form
    1,679,453,075.70/2,519,179,613.55 = 452,621,527.20/x
  3. Step 3: Cross multiply
    1,679,453,075.70x = 2,519,179,613.55 × 452,621,527.20
  4. Step 4: Simplify right side
    1,679,453,075.70x = 1,140,234,923,976,106,880
  5. Step 5: Solve for x
    x = 1,140,234,923,976,106,880/1,679,453,075.70
  6. Step 6: Final answer
    x = 678,932,290.80

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1.5x scale

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.