Home / 673,558,938.40-1,010,374,625.54-213,532,980

Finding the Fourth Proportional to 673,558,938.40, 1,010,374,625.54 and 213,532,980

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Solution

The fourth proportional to 673,558,938.40, 1,010,374,625.54 and 213,532,980 is: 320,310,951.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,558,938.40 : 1,010,374,625.54 = 213,532,980 : x
  2. Step 2: Convert to fraction form
    673,558,938.40/1,010,374,625.54 = 213,532,980/x
  3. Step 3: Cross multiply
    673,558,938.40x = 1,010,374,625.54 × 213,532,980
  4. Step 4: Simplify right side
    673,558,938.40x = 215,748,304,707,940,288
  5. Step 5: Solve for x
    x = 215,748,304,707,940,288/673,558,938.40
  6. Step 6: Final answer
    x = 320,310,951.88

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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.