Home / 438,615,766.80-657,923,650.20-341,043,199.20

Finding the Fourth Proportional to 438,615,766.80, 657,923,650.20 and 341,043,199.20

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Solution

The fourth proportional to 438,615,766.80, 657,923,650.20 and 341,043,199.20 is: 511,564,798.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,615,766.80 : 657,923,650.20 = 341,043,199.20 : x
  2. Step 2: Convert to fraction form
    438,615,766.80/657,923,650.20 = 341,043,199.20/x
  3. Step 3: Cross multiply
    438,615,766.80x = 657,923,650.20 × 341,043,199.20
  4. Step 4: Simplify right side
    438,615,766.80x = 224,380,386,493,549,728
  5. Step 5: Solve for x
    x = 224,380,386,493,549,728/438,615,766.80
  6. Step 6: Final answer
    x = 511,564,798.80

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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.