Home / 13,183,746,185.59-18,195,129,450.08-7,831,327,691.42

Finding the Fourth Proportional to 13,183,746,185.59, 18,195,129,450.08 and 7,831,327,691.42

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Solution

The fourth proportional to 13,183,746,185.59, 18,195,129,450.08 and 7,831,327,691.42 is: 10,808,158,705.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,183,746,185.59 : 18,195,129,450.08 = 7,831,327,691.42 : x
  2. Step 2: Convert to fraction form
    13,183,746,185.59/18,195,129,450.08 = 7,831,327,691.42/x
  3. Step 3: Cross multiply
    13,183,746,185.59x = 18,195,129,450.08 × 7,831,327,691.42
  4. Step 4: Simplify right side
    13,183,746,185.59x = 142,492,021,111,345,561,600
  5. Step 5: Solve for x
    x = 142,492,021,111,345,561,600/13,183,746,185.59
  6. Step 6: Final answer
    x = 10,808,158,705.84

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.