Home / 30,799,505,783.34-46,119,692,996.99-21,256,757,333.48

Finding the Fourth Proportional to 30,799,505,783.34, 46,119,692,996.99 and 21,256,757,333.48

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Solution

The fourth proportional to 30,799,505,783.34, 46,119,692,996.99 and 21,256,757,333.48 is: 31,830,222,511.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,799,505,783.34 : 46,119,692,996.99 = 21,256,757,333.48 : x
  2. Step 2: Convert to fraction form
    30,799,505,783.34/46,119,692,996.99 = 21,256,757,333.48/x
  3. Step 3: Cross multiply
    30,799,505,783.34x = 46,119,692,996.99 × 21,256,757,333.48
  4. Step 4: Simplify right side
    30,799,505,783.34x = 980,355,122,331,620,474,880
  5. Step 5: Solve for x
    x = 980,355,122,331,620,474,880/30,799,505,783.34
  6. Step 6: Final answer
    x = 31,830,222,511.62

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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.