Home / 2,519,429,619.80-3,779,144,429.70-2,120,352,858.20

Finding the Fourth Proportional to 2,519,429,619.80, 3,779,144,429.70 and 2,120,352,858.20

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Solution

The fourth proportional to 2,519,429,619.80, 3,779,144,429.70 and 2,120,352,858.20 is: 3,180,529,287.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519,429,619.80 : 3,779,144,429.70 = 2,120,352,858.20 : x
  2. Step 2: Convert to fraction form
    2,519,429,619.80/3,779,144,429.70 = 2,120,352,858.20/x
  3. Step 3: Cross multiply
    2,519,429,619.80x = 3,779,144,429.70 × 2,120,352,858.20
  4. Step 4: Simplify right side
    2,519,429,619.80x = 8,013,119,693,065,004,032
  5. Step 5: Solve for x
    x = 8,013,119,693,065,004,032/2,519,429,619.80
  6. Step 6: Final answer
    x = 3,180,529,287.30

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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.