Home / 507,449,396,603.15-761,509,434,185.70-238,915,172,388.55

Finding the Fourth Proportional to 507,449,396,603.15, 761,509,434,185.70 and 238,915,172,388.55

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Solution

The fourth proportional to 507,449,396,603.15, 761,509,434,185.70 and 238,915,172,388.55 is: 358,530,641,600.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,449,396,603.15 : 761,509,434,185.70 = 238,915,172,388.55 : x
  2. Step 2: Convert to fraction form
    507,449,396,603.15/761,509,434,185.70 = 238,915,172,388.55/x
  3. Step 3: Cross multiply
    507,449,396,603.15x = 761,509,434,185.70 × 238,915,172,388.55
  4. Step 4: Simplify right side
    507,449,396,603.15x = 181,936,157,743,983,655,649,280
  5. Step 5: Solve for x
    x = 181,936,157,743,983,655,649,280/507,449,396,603.15
  6. Step 6: Final answer
    x = 358,530,641,600.64

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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.