Home / 3,709,325,518.38-5,118,919,126.83-2,015,813,779.74

Finding the Fourth Proportional to 3,709,325,518.38, 5,118,919,126.83 and 2,015,813,779.74

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Solution

The fourth proportional to 3,709,325,518.38, 5,118,919,126.83 and 2,015,813,779.74 is: 2,781,850,140.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709,325,518.38 : 5,118,919,126.83 = 2,015,813,779.74 : x
  2. Step 2: Convert to fraction form
    3,709,325,518.38/5,118,919,126.83 = 2,015,813,779.74/x
  3. Step 3: Cross multiply
    3,709,325,518.38x = 5,118,919,126.83 × 2,015,813,779.74
  4. Step 4: Simplify right side
    3,709,325,518.38x = 10,318,787,713,238,562,816
  5. Step 5: Solve for x
    x = 10,318,787,713,238,562,816/3,709,325,518.38
  6. Step 6: Final answer
    x = 2,781,850,140.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.