Home / 13,183,746,178.13-18,195,129,439.78-7,831,327,683.96

Finding the Fourth Proportional to 13,183,746,178.13, 18,195,129,439.78 and 7,831,327,683.96

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Solution

The fourth proportional to 13,183,746,178.13, 18,195,129,439.78 and 7,831,327,683.96 is: 10,808,158,695.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,183,746,178.13 : 18,195,129,439.78 = 7,831,327,683.96 : x
  2. Step 2: Convert to fraction form
    13,183,746,178.13/18,195,129,439.78 = 7,831,327,683.96/x
  3. Step 3: Cross multiply
    13,183,746,178.13x = 18,195,129,439.78 × 7,831,327,683.96
  4. Step 4: Simplify right side
    13,183,746,178.13x = 142,492,020,894,984,716,288
  5. Step 5: Solve for x
    x = 142,492,020,894,984,716,288/13,183,746,178.13
  6. Step 6: Final answer
    x = 10,808,158,695.54

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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.