Home / 8,389,216,714.35-12,585,482,789.16-3,077,378,187.58

Finding the Fourth Proportional to 8,389,216,714.35, 12,585,482,789.16 and 3,077,378,187.58

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Solution

The fourth proportional to 8,389,216,714.35, 12,585,482,789.16 and 3,077,378,187.58 is: 4,616,675,374.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,389,216,714.35 : 12,585,482,789.16 = 3,077,378,187.58 : x
  2. Step 2: Convert to fraction form
    8,389,216,714.35/12,585,482,789.16 = 3,077,378,187.58/x
  3. Step 3: Cross multiply
    8,389,216,714.35x = 12,585,482,789.16 × 3,077,378,187.58
  4. Step 4: Simplify right side
    8,389,216,714.35x = 38,730,290,215,488,962,560
  5. Step 5: Solve for x
    x = 38,730,290,215,488,962,560/8,389,216,714.35
  6. Step 6: Final answer
    x = 4,616,675,374.38

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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.