Home / 8,139,203,047.20-12,208,804,570.80-2,011,963,879.20

Finding the Fourth Proportional to 8,139,203,047.20, 12,208,804,570.80 and 2,011,963,879.20

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Solution

The fourth proportional to 8,139,203,047.20, 12,208,804,570.80 and 2,011,963,879.20 is: 3,017,945,818.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,139,203,047.20 : 12,208,804,570.80 = 2,011,963,879.20 : x
  2. Step 2: Convert to fraction form
    8,139,203,047.20/12,208,804,570.80 = 2,011,963,879.20/x
  3. Step 3: Cross multiply
    8,139,203,047.20x = 12,208,804,570.80 × 2,011,963,879.20
  4. Step 4: Simplify right side
    8,139,203,047.20x = 24,563,673,804,661,456,896
  5. Step 5: Solve for x
    x = 24,563,673,804,661,456,896/8,139,203,047.20
  6. Step 6: Final answer
    x = 3,017,945,818.80

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1.5x scale

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.