Home / 12,680,097,312.20-19,017,002,900.72-4,285,816,323.91

Finding the Fourth Proportional to 12,680,097,312.20, 19,017,002,900.72 and 4,285,816,323.91

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Solution

The fourth proportional to 12,680,097,312.20, 19,017,002,900.72 and 4,285,816,323.91 is: 6,427,662,143.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,680,097,312.20 : 19,017,002,900.72 = 4,285,816,323.91 : x
  2. Step 2: Convert to fraction form
    12,680,097,312.20/19,017,002,900.72 = 4,285,816,323.91/x
  3. Step 3: Cross multiply
    12,680,097,312.20x = 19,017,002,900.72 × 4,285,816,323.91
  4. Step 4: Simplify right side
    12,680,097,312.20x = 81,503,381,463,710,629,888
  5. Step 5: Solve for x
    x = 81,503,381,463,710,629,888/12,680,097,312.20
  6. Step 6: Final answer
    x = 6,427,662,143.04

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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.