Home / 1,240,814,401.08-1,861,268,827.98-464,378,312.76

Finding the Fourth Proportional to 1,240,814,401.08, 1,861,268,827.98 and 464,378,312.76

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Solution

The fourth proportional to 1,240,814,401.08, 1,861,268,827.98 and 464,378,312.76 is: 696,585,143.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,814,401.08 : 1,861,268,827.98 = 464,378,312.76 : x
  2. Step 2: Convert to fraction form
    1,240,814,401.08/1,861,268,827.98 = 464,378,312.76/x
  3. Step 3: Cross multiply
    1,240,814,401.08x = 1,861,268,827.98 × 464,378,312.76
  4. Step 4: Simplify right side
    1,240,814,401.08x = 864,332,877,930,135,040
  5. Step 5: Solve for x
    x = 864,332,877,930,135,040/1,240,814,401.08
  6. Step 6: Final answer
    x = 696,585,143.74

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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.