Home / 8,139,203,021.20-12,208,804,531.80-2,011,963,853.20

Finding the Fourth Proportional to 8,139,203,021.20, 12,208,804,531.80 and 2,011,963,853.20

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Solution

The fourth proportional to 8,139,203,021.20, 12,208,804,531.80 and 2,011,963,853.20 is: 3,017,945,779.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,139,203,021.20 : 12,208,804,531.80 = 2,011,963,853.20 : x
  2. Step 2: Convert to fraction form
    8,139,203,021.20/12,208,804,531.80 = 2,011,963,853.20/x
  3. Step 3: Cross multiply
    8,139,203,021.20x = 12,208,804,531.80 × 2,011,963,853.20
  4. Step 4: Simplify right side
    8,139,203,021.20x = 24,563,673,408,765,947,904
  5. Step 5: Solve for x
    x = 24,563,673,408,765,947,904/8,139,203,021.20
  6. Step 6: Final answer
    x = 3,017,945,779.80

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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.