Home / 763,973,304.12-1,145,958,526.80-239,382,566.37

Finding the Fourth Proportional to 763,973,304.12, 1,145,958,526.80 and 239,382,566.37

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Solution

The fourth proportional to 763,973,304.12, 1,145,958,526.80 and 239,382,566.37 is: 359,073,401.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,973,304.12 : 1,145,958,526.80 = 239,382,566.37 : x
  2. Step 2: Convert to fraction form
    763,973,304.12/1,145,958,526.80 = 239,382,566.37/x
  3. Step 3: Cross multiply
    763,973,304.12x = 1,145,958,526.80 × 239,382,566.37
  4. Step 4: Simplify right side
    763,973,304.12x = 274,322,493,098,968,416
  5. Step 5: Solve for x
    x = 274,322,493,098,968,416/763,973,304.12
  6. Step 6: Final answer
    x = 359,073,401.67

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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.