Home / 1,240,456,158,867-1,860,687,729,023.20-475,778,705,987.60

Finding the Fourth Proportional to 1,240,456,158,867, 1,860,687,729,023.20 and 475,778,705,987.60

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Solution

The fourth proportional to 1,240,456,158,867, 1,860,687,729,023.20 and 475,778,705,987.60 is: 713,669,397,853.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,456,158,867 : 1,860,687,729,023.20 = 475,778,705,987.60 : x
  2. Step 2: Convert to fraction form
    1,240,456,158,867/1,860,687,729,023.20 = 475,778,705,987.60/x
  3. Step 3: Cross multiply
    1,240,456,158,867x = 1,860,687,729,023.20 × 475,778,705,987.60
  4. Step 4: Simplify right side
    1,240,456,158,867x = 885,275,599,961,664,182,550,528
  5. Step 5: Solve for x
    x = 885,275,599,961,664,182,550,528/1,240,456,158,867
  6. Step 6: Final answer
    x = 713,669,397,853.01

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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.