Home / 447,120,558.80-669,337,145.40-265,274,133.20

Finding the Fourth Proportional to 447,120,558.80, 669,337,145.40 and 265,274,133.20

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Solution

The fourth proportional to 447,120,558.80, 669,337,145.40 and 265,274,133.20 is: 397,113,994.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,120,558.80 : 669,337,145.40 = 265,274,133.20 : x
  2. Step 2: Convert to fraction form
    447,120,558.80/669,337,145.40 = 265,274,133.20/x
  3. Step 3: Cross multiply
    447,120,558.80x = 669,337,145.40 × 265,274,133.20
  4. Step 4: Simplify right side
    447,120,558.80x = 177,557,831,064,547,360
  5. Step 5: Solve for x
    x = 177,557,831,064,547,360/447,120,558.80
  6. Step 6: Final answer
    x = 397,113,994.36

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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.