Home / 3,920,112,836.64-5,409,687,601.83-2,135,980,950.15

Finding the Fourth Proportional to 3,920,112,836.64, 5,409,687,601.83 and 2,135,980,950.15

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Solution

The fourth proportional to 3,920,112,836.64, 5,409,687,601.83 and 2,135,980,950.15 is: 2,947,616,598.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,920,112,836.64 : 5,409,687,601.83 = 2,135,980,950.15 : x
  2. Step 2: Convert to fraction form
    3,920,112,836.64/5,409,687,601.83 = 2,135,980,950.15/x
  3. Step 3: Cross multiply
    3,920,112,836.64x = 5,409,687,601.83 × 2,135,980,950.15
  4. Step 4: Simplify right side
    3,920,112,836.64x = 11,554,989,663,771,518,976
  5. Step 5: Solve for x
    x = 11,554,989,663,771,518,976/3,920,112,836.64
  6. Step 6: Final answer
    x = 2,947,616,598.12

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