Home / 412,621,641,011.08-619,215,181,156.14-144,010,621,138.25

Finding the Fourth Proportional to 412,621,641,011.08, 619,215,181,156.14 and 144,010,621,138.25

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Solution

The fourth proportional to 412,621,641,011.08, 619,215,181,156.14 and 144,010,621,138.25 is: 216,114,604,745.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,621,641,011.08 : 619,215,181,156.14 = 144,010,621,138.25 : x
  2. Step 2: Convert to fraction form
    412,621,641,011.08/619,215,181,156.14 = 144,010,621,138.25/x
  3. Step 3: Cross multiply
    412,621,641,011.08x = 619,215,181,156.14 × 144,010,621,138.25
  4. Step 4: Simplify right side
    412,621,641,011.08x = 89,173,562,856,529,725,489,152
  5. Step 5: Solve for x
    x = 89,173,562,856,529,725,489,152/412,621,641,011.08
  6. Step 6: Final answer
    x = 216,114,604,745.45

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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.