Home / 209,966,876,123.82-289,723,119,169.76-127,524,734,336.22

Finding the Fourth Proportional to 209,966,876,123.82, 289,723,119,169.76 and 127,524,734,336.22

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Solution

The fourth proportional to 209,966,876,123.82, 289,723,119,169.76 and 127,524,734,336.22 is: 175,965,202,155.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,966,876,123.82 : 289,723,119,169.76 = 127,524,734,336.22 : x
  2. Step 2: Convert to fraction form
    209,966,876,123.82/289,723,119,169.76 = 127,524,734,336.22/x
  3. Step 3: Cross multiply
    209,966,876,123.82x = 289,723,119,169.76 × 127,524,734,336.22
  4. Step 4: Simplify right side
    209,966,876,123.82x = 36,946,863,803,184,655,106,048
  5. Step 5: Solve for x
    x = 36,946,863,803,184,655,106,048/209,966,876,123.82
  6. Step 6: Final answer
    x = 175,965,202,155.97

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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.