Home / 12,144,411,576.60-18,216,617,364.90-3,864,135,643.80

Finding the Fourth Proportional to 12,144,411,576.60, 18,216,617,364.90 and 3,864,135,643.80

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Solution

The fourth proportional to 12,144,411,576.60, 18,216,617,364.90 and 3,864,135,643.80 is: 5,796,203,465.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,144,411,576.60 : 18,216,617,364.90 = 3,864,135,643.80 : x
  2. Step 2: Convert to fraction form
    12,144,411,576.60/18,216,617,364.90 = 3,864,135,643.80/x
  3. Step 3: Cross multiply
    12,144,411,576.60x = 18,216,617,364.90 × 3,864,135,643.80
  4. Step 4: Simplify right side
    12,144,411,576.60x = 70,391,480,469,176,131,584
  5. Step 5: Solve for x
    x = 70,391,480,469,176,131,584/12,144,411,576.60
  6. Step 6: Final answer
    x = 5,796,203,465.70

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Double scale
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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.