Home / 1,240,456,158,863.40-1,860,687,729,018-475,778,705,984.10

Finding the Fourth Proportional to 1,240,456,158,863.40, 1,860,687,729,018 and 475,778,705,984.10

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Solution

The fourth proportional to 1,240,456,158,863.40, 1,860,687,729,018 and 475,778,705,984.10 is: 713,669,397,847.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,456,158,863.40 : 1,860,687,729,018 = 475,778,705,984.10 : x
  2. Step 2: Convert to fraction form
    1,240,456,158,863.40/1,860,687,729,018 = 475,778,705,984.10/x
  3. Step 3: Cross multiply
    1,240,456,158,863.40x = 1,860,687,729,018 × 475,778,705,984.10
  4. Step 4: Simplify right side
    1,240,456,158,863.40x = 885,275,599,952,677,768,790,016
  5. Step 5: Solve for x
    x = 885,275,599,952,677,768,790,016/1,240,456,158,863.40
  6. Step 6: Final answer
    x = 713,669,397,847.83

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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.