Home / 7,266,802,907.80-10,905,306,195.30-3,129,215,858.20

Finding the Fourth Proportional to 7,266,802,907.80, 10,905,306,195.30 and 3,129,215,858.20

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Solution

The fourth proportional to 7,266,802,907.80, 10,905,306,195.30 and 3,129,215,858.20 is: 4,696,020,728.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,266,802,907.80 : 10,905,306,195.30 = 3,129,215,858.20 : x
  2. Step 2: Convert to fraction form
    7,266,802,907.80/10,905,306,195.30 = 3,129,215,858.20/x
  3. Step 3: Cross multiply
    7,266,802,907.80x = 10,905,306,195.30 × 3,129,215,858.20
  4. Step 4: Simplify right side
    7,266,802,907.80x = 34,125,057,084,859,461,632
  5. Step 5: Solve for x
    x = 34,125,057,084,859,461,632/7,266,802,907.80
  6. Step 6: Final answer
    x = 4,696,020,728.49

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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.