Home / 352,544,811.20-528,817,216.80-214,592,350.40

Finding the Fourth Proportional to 352,544,811.20, 528,817,216.80 and 214,592,350.40

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Solution

The fourth proportional to 352,544,811.20, 528,817,216.80 and 214,592,350.40 is: 321,888,525.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,544,811.20 : 528,817,216.80 = 214,592,350.40 : x
  2. Step 2: Convert to fraction form
    352,544,811.20/528,817,216.80 = 214,592,350.40/x
  3. Step 3: Cross multiply
    352,544,811.20x = 528,817,216.80 × 214,592,350.40
  4. Step 4: Simplify right side
    352,544,811.20x = 113,480,129,485,098,368
  5. Step 5: Solve for x
    x = 113,480,129,485,098,368/352,544,811.20
  6. Step 6: Final answer
    x = 321,888,525.60

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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.