Home / 1,420,416,003.80-2,130,624,005.70-1,030,409,168.60

Finding the Fourth Proportional to 1,420,416,003.80, 2,130,624,005.70 and 1,030,409,168.60

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Solution

The fourth proportional to 1,420,416,003.80, 2,130,624,005.70 and 1,030,409,168.60 is: 1,545,613,752.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,416,003.80 : 2,130,624,005.70 = 1,030,409,168.60 : x
  2. Step 2: Convert to fraction form
    1,420,416,003.80/2,130,624,005.70 = 1,030,409,168.60/x
  3. Step 3: Cross multiply
    1,420,416,003.80x = 2,130,624,005.70 × 1,030,409,168.60
  4. Step 4: Simplify right side
    1,420,416,003.80x = 2,195,414,510,312,538,880
  5. Step 5: Solve for x
    x = 2,195,414,510,312,538,880/1,420,416,003.80
  6. Step 6: Final answer
    x = 1,545,613,752.90

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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.