Home / 86,488,514,613.20-129,685,478,431.58-68,675,319,678.35

Finding the Fourth Proportional to 86,488,514,613.20, 129,685,478,431.58 and 68,675,319,678.35

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Solution

The fourth proportional to 86,488,514,613.20, 129,685,478,431.58 and 68,675,319,678.35 is: 102,975,426,607.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,488,514,613.20 : 129,685,478,431.58 = 68,675,319,678.35 : x
  2. Step 2: Convert to fraction form
    86,488,514,613.20/129,685,478,431.58 = 68,675,319,678.35/x
  3. Step 3: Cross multiply
    86,488,514,613.20x = 129,685,478,431.58 × 68,675,319,678.35
  4. Step 4: Simplify right side
    86,488,514,613.20x = 8,906,191,688,928,520,568,832
  5. Step 5: Solve for x
    x = 8,906,191,688,928,520,568,832/86,488,514,613.20
  6. Step 6: Final answer
    x = 102,975,426,607.33

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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.