Home / 395,930,291.20-593,895,436.80-266,935,782.40

Finding the Fourth Proportional to 395,930,291.20, 593,895,436.80 and 266,935,782.40

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Solution

The fourth proportional to 395,930,291.20, 593,895,436.80 and 266,935,782.40 is: 400,403,673.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,930,291.20 : 593,895,436.80 = 266,935,782.40 : x
  2. Step 2: Convert to fraction form
    395,930,291.20/593,895,436.80 = 266,935,782.40/x
  3. Step 3: Cross multiply
    395,930,291.20x = 593,895,436.80 × 266,935,782.40
  4. Step 4: Simplify right side
    395,930,291.20x = 158,531,943,085,997,728
  5. Step 5: Solve for x
    x = 158,531,943,085,997,728/395,930,291.20
  6. Step 6: Final answer
    x = 400,403,673.60

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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.