Home / 1,881,128,980.46-2,593,548,168.59-1,540,783,643.60

Finding the Fourth Proportional to 1,881,128,980.46, 2,593,548,168.59 and 1,540,783,643.60

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Solution

The fourth proportional to 1,881,128,980.46, 2,593,548,168.59 and 1,540,783,643.60 is: 2,124,307,603.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881,128,980.46 : 2,593,548,168.59 = 1,540,783,643.60 : x
  2. Step 2: Convert to fraction form
    1,881,128,980.46/2,593,548,168.59 = 1,540,783,643.60/x
  3. Step 3: Cross multiply
    1,881,128,980.46x = 2,593,548,168.59 × 1,540,783,643.60
  4. Step 4: Simplify right side
    1,881,128,980.46x = 3,996,096,597,052,207,104
  5. Step 5: Solve for x
    x = 3,996,096,597,052,207,104/1,881,128,980.46
  6. Step 6: Final answer
    x = 2,124,307,603.87

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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.