Home / 1,881,128,970.97-2,593,548,155.48-1,540,783,634.11

Finding the Fourth Proportional to 1,881,128,970.97, 2,593,548,155.48 and 1,540,783,634.11

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Solution

The fourth proportional to 1,881,128,970.97, 2,593,548,155.48 and 1,540,783,634.11 is: 2,124,307,590.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881,128,970.97 : 2,593,548,155.48 = 1,540,783,634.11 : x
  2. Step 2: Convert to fraction form
    1,881,128,970.97/2,593,548,155.48 = 1,540,783,634.11/x
  3. Step 3: Cross multiply
    1,881,128,970.97x = 2,593,548,155.48 × 1,540,783,634.11
  4. Step 4: Simplify right side
    1,881,128,970.97x = 3,996,096,552,245,095,424
  5. Step 5: Solve for x
    x = 3,996,096,552,245,095,424/1,881,128,970.97
  6. Step 6: Final answer
    x = 2,124,307,590.77

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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.