Home / 479,493,649.44-661,701,238.56-259,477,077.60

Finding the Fourth Proportional to 479,493,649.44, 661,701,238.56 and 259,477,077.60

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Solution

The fourth proportional to 479,493,649.44, 661,701,238.56 and 259,477,077.60 is: 358,078,368.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,493,649.44 : 661,701,238.56 = 259,477,077.60 : x
  2. Step 2: Convert to fraction form
    479,493,649.44/661,701,238.56 = 259,477,077.60/x
  3. Step 3: Cross multiply
    479,493,649.44x = 661,701,238.56 × 259,477,077.60
  4. Step 4: Simplify right side
    479,493,649.44x = 171,696,303,625,849,216
  5. Step 5: Solve for x
    x = 171,696,303,625,849,216/479,493,649.44
  6. Step 6: Final answer
    x = 358,078,368.35

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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.