Home / 20,458,864,047,891-30,688,296,426,378-4,969,294,724,152.80

Finding the Fourth Proportional to 20,458,864,047,891, 30,688,296,426,378 and 4,969,294,724,152.80

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Solution

The fourth proportional to 20,458,864,047,891, 30,688,296,426,378 and 4,969,294,724,152.80 is: 7,453,942,172,344.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,458,864,047,891 : 30,688,296,426,378 = 4,969,294,724,152.80 : x
  2. Step 2: Convert to fraction form
    20,458,864,047,891/30,688,296,426,378 = 4,969,294,724,152.80/x
  3. Step 3: Cross multiply
    20,458,864,047,891x = 30,688,296,426,378 × 4,969,294,724,152.80
  4. Step 4: Simplify right side
    20,458,864,047,891x = 152,499,189,524,837,413,848,875,008
  5. Step 5: Solve for x
    x = 152,499,189,524,837,413,848,875,008/20,458,864,047,891
  6. Step 6: Final answer
    x = 7,453,942,172,344.50

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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.