Home / 18,912,039,126.10-28,368,112,543.33-5,467,417,511.29

Finding the Fourth Proportional to 18,912,039,126.10, 28,368,112,543.33 and 5,467,417,511.29

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Solution

The fourth proportional to 18,912,039,126.10, 28,368,112,543.33 and 5,467,417,511.29 is: 8,201,141,836.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,912,039,126.10 : 28,368,112,543.33 = 5,467,417,511.29 : x
  2. Step 2: Convert to fraction form
    18,912,039,126.10/28,368,112,543.33 = 5,467,417,511.29/x
  3. Step 3: Cross multiply
    18,912,039,126.10x = 28,368,112,543.33 × 5,467,417,511.29
  4. Step 4: Simplify right side
    18,912,039,126.10x = 155,100,315,281,568,104,448
  5. Step 5: Solve for x
    x = 155,100,315,281,568,104,448/18,912,039,126.10
  6. Step 6: Final answer
    x = 8,201,141,836.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.