Home / 3,935,261,760.65-5,902,892,641.41-1,315,065,865.65

Finding the Fourth Proportional to 3,935,261,760.65, 5,902,892,641.41 and 1,315,065,865.65

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Solution

The fourth proportional to 3,935,261,760.65, 5,902,892,641.41 and 1,315,065,865.65 is: 1,972,598,798.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935,261,760.65 : 5,902,892,641.41 = 1,315,065,865.65 : x
  2. Step 2: Convert to fraction form
    3,935,261,760.65/5,902,892,641.41 = 1,315,065,865.65/x
  3. Step 3: Cross multiply
    3,935,261,760.65x = 5,902,892,641.41 × 1,315,065,865.65
  4. Step 4: Simplify right side
    3,935,261,760.65x = 7,762,692,621,314,856,960
  5. Step 5: Solve for x
    x = 7,762,692,621,314,856,960/3,935,261,760.65
  6. Step 6: Final answer
    x = 1,972,598,798.62

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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.