Home / 1,302,843,246.80-1,954,548,305.40-429,295,960.40

Finding the Fourth Proportional to 1,302,843,246.80, 1,954,548,305.40 and 429,295,960.40

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Solution

The fourth proportional to 1,302,843,246.80, 1,954,548,305.40 and 429,295,960.40 is: 644,037,334.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,843,246.80 : 1,954,548,305.40 = 429,295,960.40 : x
  2. Step 2: Convert to fraction form
    1,302,843,246.80/1,954,548,305.40 = 429,295,960.40/x
  3. Step 3: Cross multiply
    1,302,843,246.80x = 1,954,548,305.40 × 429,295,960.40
  4. Step 4: Simplify right side
    1,302,843,246.80x = 839,079,691,914,885,504
  5. Step 5: Solve for x
    x = 839,079,691,914,885,504/1,302,843,246.80
  6. Step 6: Final answer
    x = 644,037,334.48

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1.5x scale

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.