Home / 412,621,641,012.08-619,215,181,157.64-144,010,621,139.25

Finding the Fourth Proportional to 412,621,641,012.08, 619,215,181,157.64 and 144,010,621,139.25

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Solution

The fourth proportional to 412,621,641,012.08, 619,215,181,157.64 and 144,010,621,139.25 is: 216,114,604,746.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,621,641,012.08 : 619,215,181,157.64 = 144,010,621,139.25 : x
  2. Step 2: Convert to fraction form
    412,621,641,012.08/619,215,181,157.64 = 144,010,621,139.25/x
  3. Step 3: Cross multiply
    412,621,641,012.08x = 619,215,181,157.64 × 144,010,621,139.25
  4. Step 4: Simplify right side
    412,621,641,012.08x = 89,173,562,857,364,945,633,280
  5. Step 5: Solve for x
    x = 89,173,562,857,364,945,633,280/412,621,641,012.08
  6. Step 6: Final answer
    x = 216,114,604,746.95

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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.