Home / 2,113,922,751.79-2,916,889,109.87-1,221,677,179.74

Finding the Fourth Proportional to 2,113,922,751.79, 2,916,889,109.87 and 1,221,677,179.74

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Solution

The fourth proportional to 2,113,922,751.79, 2,916,889,109.87 and 1,221,677,179.74 is: 1,685,727,095.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113,922,751.79 : 2,916,889,109.87 = 1,221,677,179.74 : x
  2. Step 2: Convert to fraction form
    2,113,922,751.79/2,916,889,109.87 = 1,221,677,179.74/x
  3. Step 3: Cross multiply
    2,113,922,751.79x = 2,916,889,109.87 × 1,221,677,179.74
  4. Step 4: Simplify right side
    2,113,922,751.79x = 3,563,496,861,370,056,192
  5. Step 5: Solve for x
    x = 3,563,496,861,370,056,192/2,113,922,751.79
  6. Step 6: Final answer
    x = 1,685,727,095.91

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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.