Home / 419,129,804,590.80-628,694,706,886.20-230,402,776,059.60

Finding the Fourth Proportional to 419,129,804,590.80, 628,694,706,886.20 and 230,402,776,059.60

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Solution

The fourth proportional to 419,129,804,590.80, 628,694,706,886.20 and 230,402,776,059.60 is: 345,604,164,089.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,129,804,590.80 : 628,694,706,886.20 = 230,402,776,059.60 : x
  2. Step 2: Convert to fraction form
    419,129,804,590.80/628,694,706,886.20 = 230,402,776,059.60/x
  3. Step 3: Cross multiply
    419,129,804,590.80x = 628,694,706,886.20 × 230,402,776,059.60
  4. Step 4: Simplify right side
    419,129,804,590.80x = 144,853,005,760,556,984,958,976
  5. Step 5: Solve for x
    x = 144,853,005,760,556,984,958,976/419,129,804,590.80
  6. Step 6: Final answer
    x = 345,604,164,089.40

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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.