Home / 12,144,411,551.60-18,216,617,327.40-3,864,135,618.80

Finding the Fourth Proportional to 12,144,411,551.60, 18,216,617,327.40 and 3,864,135,618.80

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Solution

The fourth proportional to 12,144,411,551.60, 18,216,617,327.40 and 3,864,135,618.80 is: 5,796,203,428.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,144,411,551.60 : 18,216,617,327.40 = 3,864,135,618.80 : x
  2. Step 2: Convert to fraction form
    12,144,411,551.60/18,216,617,327.40 = 3,864,135,618.80/x
  3. Step 3: Cross multiply
    12,144,411,551.60x = 18,216,617,327.40 × 3,864,135,618.80
  4. Step 4: Simplify right side
    12,144,411,551.60x = 70,391,479,868,855,607,296
  5. Step 5: Solve for x
    x = 70,391,479,868,855,607,296/12,144,411,551.60
  6. Step 6: Final answer
    x = 5,796,203,428.20

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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.