Home / 8,186,005,512.80-12,279,008,269.20-4,512,685,320.80

Finding the Fourth Proportional to 8,186,005,512.80, 12,279,008,269.20 and 4,512,685,320.80

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Solution

The fourth proportional to 8,186,005,512.80, 12,279,008,269.20 and 4,512,685,320.80 is: 6,769,027,981.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,186,005,512.80 : 12,279,008,269.20 = 4,512,685,320.80 : x
  2. Step 2: Convert to fraction form
    8,186,005,512.80/12,279,008,269.20 = 4,512,685,320.80/x
  3. Step 3: Cross multiply
    8,186,005,512.80x = 12,279,008,269.20 × 4,512,685,320.80
  4. Step 4: Simplify right side
    8,186,005,512.80x = 55,411,300,370,400,657,408
  5. Step 5: Solve for x
    x = 55,411,300,370,400,657,408/8,186,005,512.80
  6. Step 6: Final answer
    x = 6,769,027,981.20

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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.