Home / 13,183,746,181.27-18,195,129,444.12-7,831,327,687.10

Finding the Fourth Proportional to 13,183,746,181.27, 18,195,129,444.12 and 7,831,327,687.10

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Solution

The fourth proportional to 13,183,746,181.27, 18,195,129,444.12 and 7,831,327,687.10 is: 10,808,158,699.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,183,746,181.27 : 18,195,129,444.12 = 7,831,327,687.10 : x
  2. Step 2: Convert to fraction form
    13,183,746,181.27/18,195,129,444.12 = 7,831,327,687.10/x
  3. Step 3: Cross multiply
    13,183,746,181.27x = 18,195,129,444.12 × 7,831,327,687.10
  4. Step 4: Simplify right side
    13,183,746,181.27x = 142,492,020,986,105,380,864
  5. Step 5: Solve for x
    x = 142,492,020,986,105,380,864/13,183,746,181.27
  6. Step 6: Final answer
    x = 10,808,158,699.88

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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.