Home / 20,458,864,047,884-30,688,296,426,372-4,969,294,724,148.80

Finding the Fourth Proportional to 20,458,864,047,884, 30,688,296,426,372 and 4,969,294,724,148.80

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Solution

The fourth proportional to 20,458,864,047,884, 30,688,296,426,372 and 4,969,294,724,148.80 is: 7,453,942,172,339.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,458,864,047,884 : 30,688,296,426,372 = 4,969,294,724,148.80 : x
  2. Step 2: Convert to fraction form
    20,458,864,047,884/30,688,296,426,372 = 4,969,294,724,148.80/x
  3. Step 3: Cross multiply
    20,458,864,047,884x = 30,688,296,426,372 × 4,969,294,724,148.80
  4. Step 4: Simplify right side
    20,458,864,047,884x = 152,499,189,524,684,839,430,651,904
  5. Step 5: Solve for x
    x = 152,499,189,524,684,839,430,651,904/20,458,864,047,884
  6. Step 6: Final answer
    x = 7,453,942,172,339.59

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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.