Home / 740,300,739.90-1,021,615,032.06-410,297,136.54

Finding the Fourth Proportional to 740,300,739.90, 1,021,615,032.06 and 410,297,136.54

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Solution

The fourth proportional to 740,300,739.90, 1,021,615,032.06 and 410,297,136.54 is: 566,210,054.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,300,739.90 : 1,021,615,032.06 = 410,297,136.54 : x
  2. Step 2: Convert to fraction form
    740,300,739.90/1,021,615,032.06 = 410,297,136.54/x
  3. Step 3: Cross multiply
    740,300,739.90x = 1,021,615,032.06 × 410,297,136.54
  4. Step 4: Simplify right side
    740,300,739.90x = 419,165,722,300,438,272
  5. Step 5: Solve for x
    x = 419,165,722,300,438,272/740,300,739.90
  6. Step 6: Final answer
    x = 566,210,054.52

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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.