Home / 3,688,642,629.73-5,090,367,005.81-2,017,855,898.65

Finding the Fourth Proportional to 3,688,642,629.73, 5,090,367,005.81 and 2,017,855,898.65

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Solution

The fourth proportional to 3,688,642,629.73, 5,090,367,005.81 and 2,017,855,898.65 is: 2,784,663,118.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688,642,629.73 : 5,090,367,005.81 = 2,017,855,898.65 : x
  2. Step 2: Convert to fraction form
    3,688,642,629.73/5,090,367,005.81 = 2,017,855,898.65/x
  3. Step 3: Cross multiply
    3,688,642,629.73x = 5,090,367,005.81 × 2,017,855,898.65
  4. Step 4: Simplify right side
    3,688,642,629.73x = 10,271,627,088,967,049,216
  5. Step 5: Solve for x
    x = 10,271,627,088,967,049,216/3,688,642,629.73
  6. Step 6: Final answer
    x = 2,784,663,118.67

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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.