Home / 2,165,468,511.64-2,988,269,226.54-1,225,650,975.52

Finding the Fourth Proportional to 2,165,468,511.64, 2,988,269,226.54 and 1,225,650,975.52

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Solution

The fourth proportional to 2,165,468,511.64, 2,988,269,226.54 and 1,225,650,975.52 is: 1,691,354,583.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165,468,511.64 : 2,988,269,226.54 = 1,225,650,975.52 : x
  2. Step 2: Convert to fraction form
    2,165,468,511.64/2,988,269,226.54 = 1,225,650,975.52/x
  3. Step 3: Cross multiply
    2,165,468,511.64x = 2,988,269,226.54 × 1,225,650,975.52
  4. Step 4: Simplify right side
    2,165,468,511.64x = 3,662,575,092,625,146,880
  5. Step 5: Solve for x
    x = 3,662,575,092,625,146,880/2,165,468,511.64
  6. Step 6: Final answer
    x = 1,691,354,583.52

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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.