Home / 396,395,075.77-546,901,792.48-229,070,378.77

Finding the Fourth Proportional to 396,395,075.77, 546,901,792.48 and 229,070,378.77

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Solution

The fourth proportional to 396,395,075.77, 546,901,792.48 and 229,070,378.77 is: 316,045,804.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,395,075.77 : 546,901,792.48 = 229,070,378.77 : x
  2. Step 2: Convert to fraction form
    396,395,075.77/546,901,792.48 = 229,070,378.77/x
  3. Step 3: Cross multiply
    396,395,075.77x = 546,901,792.48 × 229,070,378.77
  4. Step 4: Simplify right side
    396,395,075.77x = 125,279,000,752,304,640
  5. Step 5: Solve for x
    x = 125,279,000,752,304,640/396,395,075.77
  6. Step 6: Final answer
    x = 316,045,804.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.