Home / 2,797,014,985.39-3,859,867,221.92-1,543,940,880.31

Finding the Fourth Proportional to 2,797,014,985.39, 3,859,867,221.92 and 1,543,940,880.31

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Solution

The fourth proportional to 2,797,014,985.39, 3,859,867,221.92 and 1,543,940,880.31 is: 2,130,630,986.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,797,014,985.39 : 3,859,867,221.92 = 1,543,940,880.31 : x
  2. Step 2: Convert to fraction form
    2,797,014,985.39/3,859,867,221.92 = 1,543,940,880.31/x
  3. Step 3: Cross multiply
    2,797,014,985.39x = 3,859,867,221.92 × 1,543,940,880.31
  4. Step 4: Simplify right side
    2,797,014,985.39x = 5,959,406,796,490,878,976
  5. Step 5: Solve for x
    x = 5,959,406,796,490,878,976/2,797,014,985.39
  6. Step 6: Final answer
    x = 2,130,630,986.11

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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.