Home / 221,152,355,999.80-331,728,533,999.70-214,953,628,175.80

Finding the Fourth Proportional to 221,152,355,999.80, 331,728,533,999.70 and 214,953,628,175.80

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Solution

The fourth proportional to 221,152,355,999.80, 331,728,533,999.70 and 214,953,628,175.80 is: 322,430,442,263.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,152,355,999.80 : 331,728,533,999.70 = 214,953,628,175.80 : x
  2. Step 2: Convert to fraction form
    221,152,355,999.80/331,728,533,999.70 = 214,953,628,175.80/x
  3. Step 3: Cross multiply
    221,152,355,999.80x = 331,728,533,999.70 × 214,953,628,175.80
  4. Step 4: Simplify right side
    221,152,355,999.80x = 71,306,251,952,674,740,109,312
  5. Step 5: Solve for x
    x = 71,306,251,952,674,740,109,312/221,152,355,999.80
  6. Step 6: Final answer
    x = 322,430,442,263.70

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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.