Home / 504,531,734,388.06-696,258,134,704.86-287,768,903,871.90

Finding the Fourth Proportional to 504,531,734,388.06, 696,258,134,704.86 and 287,768,903,871.90

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Solution

The fourth proportional to 504,531,734,388.06, 696,258,134,704.86 and 287,768,903,871.90 is: 397,123,563,454.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,531,734,388.06 : 696,258,134,704.86 = 287,768,903,871.90 : x
  2. Step 2: Convert to fraction form
    504,531,734,388.06/696,258,134,704.86 = 287,768,903,871.90/x
  3. Step 3: Cross multiply
    504,531,734,388.06x = 696,258,134,704.86 × 287,768,903,871.90
  4. Step 4: Simplify right side
    504,531,734,388.06x = 200,361,440,235,911,276,134,400
  5. Step 5: Solve for x
    x = 200,361,440,235,911,276,134,400/504,531,734,388.06
  6. Step 6: Final answer
    x = 397,123,563,454.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.