Home / 1,427,166,970.80-2,140,750,456.20-1,277,513,185.20

Finding the Fourth Proportional to 1,427,166,970.80, 2,140,750,456.20 and 1,277,513,185.20

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Solution

The fourth proportional to 1,427,166,970.80, 2,140,750,456.20 and 1,277,513,185.20 is: 1,916,269,777.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,166,970.80 : 2,140,750,456.20 = 1,277,513,185.20 : x
  2. Step 2: Convert to fraction form
    1,427,166,970.80/2,140,750,456.20 = 1,277,513,185.20/x
  3. Step 3: Cross multiply
    1,427,166,970.80x = 2,140,750,456.20 × 1,277,513,185.20
  4. Step 4: Simplify right side
    1,427,166,970.80x = 2,734,836,934,018,415,104
  5. Step 5: Solve for x
    x = 2,734,836,934,018,415,104/1,427,166,970.80
  6. Step 6: Final answer
    x = 1,916,269,777.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.