Home / 936,173,321.20-1,401,572,596.20-909,299,465.20

Finding the Fourth Proportional to 936,173,321.20, 1,401,572,596.20 and 909,299,465.20

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Solution

The fourth proportional to 936,173,321.20, 1,401,572,596.20 and 909,299,465.20 is: 1,361,338,956.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,173,321.20 : 1,401,572,596.20 = 909,299,465.20 : x
  2. Step 2: Convert to fraction form
    936,173,321.20/1,401,572,596.20 = 909,299,465.20/x
  3. Step 3: Cross multiply
    936,173,321.20x = 1,401,572,596.20 × 909,299,465.20
  4. Step 4: Simplify right side
    936,173,321.20x = 1,274,449,212,163,635,712
  5. Step 5: Solve for x
    x = 1,274,449,212,163,635,712/936,173,321.20
  6. Step 6: Final answer
    x = 1,361,338,956.48

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1.5x scale

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.