Home / 352,101,008.40-528,549,643.80-208,574,710.80

Finding the Fourth Proportional to 352,101,008.40, 528,549,643.80 and 208,574,710.80

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Solution

The fourth proportional to 352,101,008.40, 528,549,643.80 and 208,574,710.80 is: 313,097,907.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,101,008.40 : 528,549,643.80 = 208,574,710.80 : x
  2. Step 2: Convert to fraction form
    352,101,008.40/528,549,643.80 = 208,574,710.80/x
  3. Step 3: Cross multiply
    352,101,008.40x = 528,549,643.80 × 208,574,710.80
  4. Step 4: Simplify right side
    352,101,008.40x = 110,242,089,099,028,016
  5. Step 5: Solve for x
    x = 110,242,089,099,028,016/352,101,008.40
  6. Step 6: Final answer
    x = 313,097,907.90

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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.