Home / 2,519,429,618.80-3,779,144,428.20-2,120,352,857.20

Finding the Fourth Proportional to 2,519,429,618.80, 3,779,144,428.20 and 2,120,352,857.20

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Solution

The fourth proportional to 2,519,429,618.80, 3,779,144,428.20 and 2,120,352,857.20 is: 3,180,529,285.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519,429,618.80 : 3,779,144,428.20 = 2,120,352,857.20 : x
  2. Step 2: Convert to fraction form
    2,519,429,618.80/3,779,144,428.20 = 2,120,352,857.20/x
  3. Step 3: Cross multiply
    2,519,429,618.80x = 3,779,144,428.20 × 2,120,352,857.20
  4. Step 4: Simplify right side
    2,519,429,618.80x = 8,013,119,686,105,329,664
  5. Step 5: Solve for x
    x = 8,013,119,686,105,329,664/2,519,429,618.80
  6. Step 6: Final answer
    x = 3,180,529,285.80

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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.