Home / 1,089,024,815.28-1,633,611,659.04-312,610,771.92

Finding the Fourth Proportional to 1,089,024,815.28, 1,633,611,659.04 and 312,610,771.92

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Solution

The fourth proportional to 1,089,024,815.28, 1,633,611,659.04 and 312,610,771.92 is: 468,937,525.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,024,815.28 : 1,633,611,659.04 = 312,610,771.92 : x
  2. Step 2: Convert to fraction form
    1,089,024,815.28/1,633,611,659.04 = 312,610,771.92/x
  3. Step 3: Cross multiply
    1,089,024,815.28x = 1,633,611,659.04 × 312,610,771.92
  4. Step 4: Simplify right side
    1,089,024,815.28x = 510,684,601,750,006,272
  5. Step 5: Solve for x
    x = 510,684,601,750,006,272/1,089,024,815.28
  6. Step 6: Final answer
    x = 468,937,525.19

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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.