Home / 1,293,607,185.16-1,940,410,556.34-408,913,587.40

Finding the Fourth Proportional to 1,293,607,185.16, 1,940,410,556.34 and 408,913,587.40

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Solution

The fourth proportional to 1,293,607,185.16, 1,940,410,556.34 and 408,913,587.40 is: 613,370,311.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,607,185.16 : 1,940,410,556.34 = 408,913,587.40 : x
  2. Step 2: Convert to fraction form
    1,293,607,185.16/1,940,410,556.34 = 408,913,587.40/x
  3. Step 3: Cross multiply
    1,293,607,185.16x = 1,940,410,556.34 × 408,913,587.40
  4. Step 4: Simplify right side
    1,293,607,185.16x = 793,460,241,621,819,136
  5. Step 5: Solve for x
    x = 793,460,241,621,819,136/1,293,607,185.16
  6. Step 6: Final answer
    x = 613,370,311.11

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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.