Home / 403,094,683.60-604,701,007.80-130,419,048.40

Finding the Fourth Proportional to 403,094,683.60, 604,701,007.80 and 130,419,048.40

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Solution

The fourth proportional to 403,094,683.60, 604,701,007.80 and 130,419,048.40 is: 195,647,656.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,094,683.60 : 604,701,007.80 = 130,419,048.40 : x
  2. Step 2: Convert to fraction form
    403,094,683.60/604,701,007.80 = 130,419,048.40/x
  3. Step 3: Cross multiply
    403,094,683.60x = 604,701,007.80 × 130,419,048.40
  4. Step 4: Simplify right side
    403,094,683.60x = 78,864,530,003,796,976
  5. Step 5: Solve for x
    x = 78,864,530,003,796,976/403,094,683.60
  6. Step 6: Final answer
    x = 195,647,656.03

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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.