Home / 8,381,657,339.80-12,572,486,009.70-2,486,429,128.60

Finding the Fourth Proportional to 8,381,657,339.80, 12,572,486,009.70 and 2,486,429,128.60

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Solution

The fourth proportional to 8,381,657,339.80, 12,572,486,009.70 and 2,486,429,128.60 is: 3,729,643,692.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,381,657,339.80 : 12,572,486,009.70 = 2,486,429,128.60 : x
  2. Step 2: Convert to fraction form
    8,381,657,339.80/12,572,486,009.70 = 2,486,429,128.60/x
  3. Step 3: Cross multiply
    8,381,657,339.80x = 12,572,486,009.70 × 2,486,429,128.60
  4. Step 4: Simplify right side
    8,381,657,339.80x = 31,260,595,433,434,062,848
  5. Step 5: Solve for x
    x = 31,260,595,433,434,062,848/8,381,657,339.80
  6. Step 6: Final answer
    x = 3,729,643,692.90

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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.