Home / 650,327,839.36-975,286,178.88-213,556,520.32

Finding the Fourth Proportional to 650,327,839.36, 975,286,178.88 and 213,556,520.32

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Solution

The fourth proportional to 650,327,839.36, 975,286,178.88 and 213,556,520.32 is: 320,267,271.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,327,839.36 : 975,286,178.88 = 213,556,520.32 : x
  2. Step 2: Convert to fraction form
    650,327,839.36/975,286,178.88 = 213,556,520.32/x
  3. Step 3: Cross multiply
    650,327,839.36x = 975,286,178.88 × 213,556,520.32
  4. Step 4: Simplify right side
    650,327,839.36x = 208,278,722,677,801,856
  5. Step 5: Solve for x
    x = 208,278,722,677,801,856/650,327,839.36
  6. Step 6: Final answer
    x = 320,267,271.48

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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.