Home / 850,320,015.60-1,275,480,023.40-644,735,017.20

Finding the Fourth Proportional to 850,320,015.60, 1,275,480,023.40 and 644,735,017.20

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Solution

The fourth proportional to 850,320,015.60, 1,275,480,023.40 and 644,735,017.20 is: 967,102,525.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,320,015.60 : 1,275,480,023.40 = 644,735,017.20 : x
  2. Step 2: Convert to fraction form
    850,320,015.60/1,275,480,023.40 = 644,735,017.20/x
  3. Step 3: Cross multiply
    850,320,015.60x = 1,275,480,023.40 × 644,735,017.20
  4. Step 4: Simplify right side
    850,320,015.60x = 822,346,634,825,055,488
  5. Step 5: Solve for x
    x = 822,346,634,825,055,488/850,320,015.60
  6. Step 6: Final answer
    x = 967,102,525.80

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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.