Home / 1,318,057,835,523.10-1,977,093,417,680.30-411,419,643,142.86

Finding the Fourth Proportional to 1,318,057,835,523.10, 1,977,093,417,680.30 and 411,419,643,142.86

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Solution

The fourth proportional to 1,318,057,835,523.10, 1,977,093,417,680.30 and 411,419,643,142.86 is: 617,131,544,944.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,057,835,523.10 : 1,977,093,417,680.30 = 411,419,643,142.86 : x
  2. Step 2: Convert to fraction form
    1,318,057,835,523.10/1,977,093,417,680.30 = 411,419,643,142.86/x
  3. Step 3: Cross multiply
    1,318,057,835,523.10x = 1,977,093,417,680.30 × 411,419,643,142.86
  4. Step 4: Simplify right side
    1,318,057,835,523.10x = 813,415,068,362,126,510,784,512
  5. Step 5: Solve for x
    x = 813,415,068,362,126,510,784,512/1,318,057,835,523.10
  6. Step 6: Final answer
    x = 617,131,544,944.16

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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.