Home / 209,510,475,694.48-289,124,572,613.16-113,166,561,778.48

Finding the Fourth Proportional to 209,510,475,694.48, 289,124,572,613.16 and 113,166,561,778.48

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Solution

The fourth proportional to 209,510,475,694.48, 289,124,572,613.16 and 113,166,561,778.48 is: 156,169,917,995.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,510,475,694.48 : 289,124,572,613.16 = 113,166,561,778.48 : x
  2. Step 2: Convert to fraction form
    209,510,475,694.48/289,124,572,613.16 = 113,166,561,778.48/x
  3. Step 3: Cross multiply
    209,510,475,694.48x = 289,124,572,613.16 × 113,166,561,778.48
  4. Step 4: Simplify right side
    209,510,475,694.48x = 32,719,233,808,303,793,373,184
  5. Step 5: Solve for x
    x = 32,719,233,808,303,793,373,184/209,510,475,694.48
  6. Step 6: Final answer
    x = 156,169,917,995.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.