Home / 1,396,325,292.55-2,093,857,639.98-400,118,460.65

Finding the Fourth Proportional to 1,396,325,292.55, 2,093,857,639.98 and 400,118,460.65

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Solution

The fourth proportional to 1,396,325,292.55, 2,093,857,639.98 and 400,118,460.65 is: 599,997,078.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,325,292.55 : 2,093,857,639.98 = 400,118,460.65 : x
  2. Step 2: Convert to fraction form
    1,396,325,292.55/2,093,857,639.98 = 400,118,460.65/x
  3. Step 3: Cross multiply
    1,396,325,292.55x = 2,093,857,639.98 × 400,118,460.65
  4. Step 4: Simplify right side
    1,396,325,292.55x = 837,791,095,727,038,848
  5. Step 5: Solve for x
    x = 837,791,095,727,038,848/1,396,325,292.55
  6. Step 6: Final answer
    x = 599,997,078.19

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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.