Home / 519,311,989.40-779,113,613.78-208,637,764.54

Finding the Fourth Proportional to 519,311,989.40, 779,113,613.78 and 208,637,764.54

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Solution

The fourth proportional to 519,311,989.40, 779,113,613.78 and 208,637,764.54 is: 313,015,154.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,311,989.40 : 779,113,613.78 = 208,637,764.54 : x
  2. Step 2: Convert to fraction form
    519,311,989.40/779,113,613.78 = 208,637,764.54/x
  3. Step 3: Cross multiply
    519,311,989.40x = 779,113,613.78 × 208,637,764.54
  4. Step 4: Simplify right side
    519,311,989.40x = 162,552,522,701,740,128
  5. Step 5: Solve for x
    x = 162,552,522,701,740,128/519,311,989.40
  6. Step 6: Final answer
    x = 313,015,154.70

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