Home / 312,205,794,445.68-467,978,168,327.04-105,015,695,368.83

Finding the Fourth Proportional to 312,205,794,445.68, 467,978,168,327.04 and 105,015,695,368.83

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Solution

The fourth proportional to 312,205,794,445.68, 467,978,168,327.04 and 105,015,695,368.83 is: 157,412,365,941.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,205,794,445.68 : 467,978,168,327.04 = 105,015,695,368.83 : x
  2. Step 2: Convert to fraction form
    312,205,794,445.68/467,978,168,327.04 = 105,015,695,368.83/x
  3. Step 3: Cross multiply
    312,205,794,445.68x = 467,978,168,327.04 × 105,015,695,368.83
  4. Step 4: Simplify right side
    312,205,794,445.68x = 49,145,052,764,295,477,067,776
  5. Step 5: Solve for x
    x = 49,145,052,764,295,477,067,776/312,205,794,445.68
  6. Step 6: Final answer
    x = 157,412,365,941.36

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1.5x scale

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.