Home / 260,621,621,245.26-390,921,791,500.26-90,680,106,700.62

Finding the Fourth Proportional to 260,621,621,245.26, 390,921,791,500.26 and 90,680,106,700.62

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Solution

The fourth proportional to 260,621,621,245.26, 390,921,791,500.26 and 90,680,106,700.62 is: 136,016,457,865.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,621,621,245.26 : 390,921,791,500.26 = 90,680,106,700.62 : x
  2. Step 2: Convert to fraction form
    260,621,621,245.26/390,921,791,500.26 = 90,680,106,700.62/x
  3. Step 3: Cross multiply
    260,621,621,245.26x = 390,921,791,500.26 × 90,680,106,700.62
  4. Step 4: Simplify right side
    260,621,621,245.26x = 35,448,829,764,841,100,017,664
  5. Step 5: Solve for x
    x = 35,448,829,764,841,100,017,664/260,621,621,245.26
  6. Step 6: Final answer
    x = 136,016,457,865.10

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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.