Home / 292,410,511.20-438,615,766.80-227,362,132.80

Finding the Fourth Proportional to 292,410,511.20, 438,615,766.80 and 227,362,132.80

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Solution

The fourth proportional to 292,410,511.20, 438,615,766.80 and 227,362,132.80 is: 341,043,199.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,410,511.20 : 438,615,766.80 = 227,362,132.80 : x
  2. Step 2: Convert to fraction form
    292,410,511.20/438,615,766.80 = 227,362,132.80/x
  3. Step 3: Cross multiply
    292,410,511.20x = 438,615,766.80 × 227,362,132.80
  4. Step 4: Simplify right side
    292,410,511.20x = 99,724,616,219,355,440
  5. Step 5: Solve for x
    x = 99,724,616,219,355,440/292,410,511.20
  6. Step 6: Final answer
    x = 341,043,199.20

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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.