Home / 734,054,653.60-1,102,357,438.80-389,680,885.60

Finding the Fourth Proportional to 734,054,653.60, 1,102,357,438.80 and 389,680,885.60

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Solution

The fourth proportional to 734,054,653.60, 1,102,357,438.80 and 389,680,885.60 is: 585,198,419.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,054,653.60 : 1,102,357,438.80 = 389,680,885.60 : x
  2. Step 2: Convert to fraction form
    734,054,653.60/1,102,357,438.80 = 389,680,885.60/x
  3. Step 3: Cross multiply
    734,054,653.60x = 1,102,357,438.80 × 389,680,885.60
  4. Step 4: Simplify right side
    734,054,653.60x = 429,567,622,999,331,840
  5. Step 5: Solve for x
    x = 429,567,622,999,331,840/734,054,653.60
  6. Step 6: Final answer
    x = 585,198,419.34

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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.