Home / 946,003,920.80-1,418,298,092.40-515,668,330.40

Finding the Fourth Proportional to 946,003,920.80, 1,418,298,092.40 and 515,668,330.40

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Solution

The fourth proportional to 946,003,920.80, 1,418,298,092.40 and 515,668,330.40 is: 773,116,678.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,003,920.80 : 1,418,298,092.40 = 515,668,330.40 : x
  2. Step 2: Convert to fraction form
    946,003,920.80/1,418,298,092.40 = 515,668,330.40/x
  3. Step 3: Cross multiply
    946,003,920.80x = 1,418,298,092.40 × 515,668,330.40
  4. Step 4: Simplify right side
    946,003,920.80x = 731,371,409,317,412,992
  5. Step 5: Solve for x
    x = 731,371,409,317,412,992/946,003,920.80
  6. Step 6: Final answer
    x = 773,116,678.73

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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.