Home / 1,410,051,318.80-2,115,076,978.20-858,241,475.60

Finding the Fourth Proportional to 1,410,051,318.80, 2,115,076,978.20 and 858,241,475.60

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Solution

The fourth proportional to 1,410,051,318.80, 2,115,076,978.20 and 858,241,475.60 is: 1,287,362,213.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,051,318.80 : 2,115,076,978.20 = 858,241,475.60 : x
  2. Step 2: Convert to fraction form
    1,410,051,318.80/2,115,076,978.20 = 858,241,475.60/x
  3. Step 3: Cross multiply
    1,410,051,318.80x = 2,115,076,978.20 × 858,241,475.60
  4. Step 4: Simplify right side
    1,410,051,318.80x = 1,815,246,786,777,957,120
  5. Step 5: Solve for x
    x = 1,815,246,786,777,957,120/1,410,051,318.80
  6. Step 6: Final answer
    x = 1,287,362,213.40

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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.