Home / 409,085,565.51-613,628,356.42-98,193,181.50

Finding the Fourth Proportional to 409,085,565.51, 613,628,356.42 and 98,193,181.50

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Solution

The fourth proportional to 409,085,565.51, 613,628,356.42 and 98,193,181.50 is: 147,289,774.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,085,565.51 : 613,628,356.42 = 98,193,181.50 : x
  2. Step 2: Convert to fraction form
    409,085,565.51/613,628,356.42 = 98,193,181.50/x
  3. Step 3: Cross multiply
    409,085,565.51x = 613,628,356.42 × 98,193,181.50
  4. Step 4: Simplify right side
    409,085,565.51x = 60,254,120,575,618,488
  5. Step 5: Solve for x
    x = 60,254,120,575,618,488/409,085,565.51
  6. Step 6: Final answer
    x = 147,289,774.21

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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.