Home / 18,724,969,667.80-28,087,454,501.70-17,010,753,578.20

Finding the Fourth Proportional to 18,724,969,667.80, 28,087,454,501.70 and 17,010,753,578.20

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Solution

The fourth proportional to 18,724,969,667.80, 28,087,454,501.70 and 17,010,753,578.20 is: 25,516,130,367.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,724,969,667.80 : 28,087,454,501.70 = 17,010,753,578.20 : x
  2. Step 2: Convert to fraction form
    18,724,969,667.80/28,087,454,501.70 = 17,010,753,578.20/x
  3. Step 3: Cross multiply
    18,724,969,667.80x = 28,087,454,501.70 × 17,010,753,578.20
  4. Step 4: Simplify right side
    18,724,969,667.80x = 477,788,767,167,322,980,352
  5. Step 5: Solve for x
    x = 477,788,767,167,322,980,352/18,724,969,667.80
  6. Step 6: Final answer
    x = 25,516,130,367.30

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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.