Home / 1,639,076,023.12-2,458,618,233.72-669,727,639.12

Finding the Fourth Proportional to 1,639,076,023.12, 2,458,618,233.72 and 669,727,639.12

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Solution

The fourth proportional to 1,639,076,023.12, 2,458,618,233.72 and 669,727,639.12 is: 1,004,593,174.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,076,023.12 : 2,458,618,233.72 = 669,727,639.12 : x
  2. Step 2: Convert to fraction form
    1,639,076,023.12/2,458,618,233.72 = 669,727,639.12/x
  3. Step 3: Cross multiply
    1,639,076,023.12x = 2,458,618,233.72 × 669,727,639.12
  4. Step 4: Simplify right side
    1,639,076,023.12x = 1,646,604,585,166,679,808
  5. Step 5: Solve for x
    x = 1,646,604,585,166,679,808/1,639,076,023.12
  6. Step 6: Final answer
    x = 1,004,593,174.41

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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.