Home / 408,147,653,552.90-612,221,480,329.35-308,968,008,368.90

Finding the Fourth Proportional to 408,147,653,552.90, 612,221,480,329.35 and 308,968,008,368.90

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Solution

The fourth proportional to 408,147,653,552.90, 612,221,480,329.35 and 308,968,008,368.90 is: 463,452,012,553.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,147,653,552.90 : 612,221,480,329.35 = 308,968,008,368.90 : x
  2. Step 2: Convert to fraction form
    408,147,653,552.90/612,221,480,329.35 = 308,968,008,368.90/x
  3. Step 3: Cross multiply
    408,147,653,552.90x = 612,221,480,329.35 × 308,968,008,368.90
  4. Step 4: Simplify right side
    408,147,653,552.90x = 189,156,851,458,018,954,444,800
  5. Step 5: Solve for x
    x = 189,156,851,458,018,954,444,800/408,147,653,552.90
  6. Step 6: Final answer
    x = 463,452,012,553.35

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1.5x scale

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.