Home / 3,688,642,628.73-5,090,367,004.43-2,017,855,897.65

Finding the Fourth Proportional to 3,688,642,628.73, 5,090,367,004.43 and 2,017,855,897.65

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Solution

The fourth proportional to 3,688,642,628.73, 5,090,367,004.43 and 2,017,855,897.65 is: 2,784,663,117.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688,642,628.73 : 5,090,367,004.43 = 2,017,855,897.65 : x
  2. Step 2: Convert to fraction form
    3,688,642,628.73/5,090,367,004.43 = 2,017,855,897.65/x
  3. Step 3: Cross multiply
    3,688,642,628.73x = 5,090,367,004.43 × 2,017,855,897.65
  4. Step 4: Simplify right side
    3,688,642,628.73x = 10,271,627,081,081,950,208
  5. Step 5: Solve for x
    x = 10,271,627,081,081,950,208/3,688,642,628.73
  6. Step 6: Final answer
    x = 2,784,663,117.29

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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.