Home / 20,778,108,037.92-28,673,020,889.82-11,262,455,477.82

Finding the Fourth Proportional to 20,778,108,037.92, 28,673,020,889.82 and 11,262,455,477.82

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Solution

The fourth proportional to 20,778,108,037.92, 28,673,020,889.82 and 11,262,455,477.82 is: 15,541,772,166.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,778,108,037.92 : 28,673,020,889.82 = 11,262,455,477.82 : x
  2. Step 2: Convert to fraction form
    20,778,108,037.92/28,673,020,889.82 = 11,262,455,477.82/x
  3. Step 3: Cross multiply
    20,778,108,037.92x = 28,673,020,889.82 × 11,262,455,477.82
  4. Step 4: Simplify right side
    20,778,108,037.92x = 322,928,621,186,200,567,808
  5. Step 5: Solve for x
    x = 322,928,621,186,200,567,808/20,778,108,037.92
  6. Step 6: Final answer
    x = 15,541,772,166.98

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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.