Home / 1,420,416,004.80-2,130,624,007.20-1,030,409,169.60

Finding the Fourth Proportional to 1,420,416,004.80, 2,130,624,007.20 and 1,030,409,169.60

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Solution

The fourth proportional to 1,420,416,004.80, 2,130,624,007.20 and 1,030,409,169.60 is: 1,545,613,754.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,416,004.80 : 2,130,624,007.20 = 1,030,409,169.60 : x
  2. Step 2: Convert to fraction form
    1,420,416,004.80/2,130,624,007.20 = 1,030,409,169.60/x
  3. Step 3: Cross multiply
    1,420,416,004.80x = 2,130,624,007.20 × 1,030,409,169.60
  4. Step 4: Simplify right side
    1,420,416,004.80x = 2,195,414,513,988,776,448
  5. Step 5: Solve for x
    x = 2,195,414,513,988,776,448/1,420,416,004.80
  6. Step 6: Final answer
    x = 1,545,613,754.40

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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.