Home / 939,830,137,473.12-1,409,743,445,313.20-294,485,168,225.64

Finding the Fourth Proportional to 939,830,137,473.12, 1,409,743,445,313.20 and 294,485,168,225.64

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Solution

The fourth proportional to 939,830,137,473.12, 1,409,743,445,313.20 and 294,485,168,225.64 is: 441,727,200,581.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,830,137,473.12 : 1,409,743,445,313.20 = 294,485,168,225.64 : x
  2. Step 2: Convert to fraction form
    939,830,137,473.12/1,409,743,445,313.20 = 294,485,168,225.64/x
  3. Step 3: Cross multiply
    939,830,137,473.12x = 1,409,743,445,313.20 × 294,485,168,225.64
  4. Step 4: Simplify right side
    939,830,137,473.12x = 415,148,535,648,051,005,489,152
  5. Step 5: Solve for x
    x = 415,148,535,648,051,005,489,152/939,830,137,473.12
  6. Step 6: Final answer
    x = 441,727,200,581.42

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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.