Home / 528,553,213.40-792,829,820.10-419,714,096.60

Finding the Fourth Proportional to 528,553,213.40, 792,829,820.10 and 419,714,096.60

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Solution

The fourth proportional to 528,553,213.40, 792,829,820.10 and 419,714,096.60 is: 629,571,144.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,553,213.40 : 792,829,820.10 = 419,714,096.60 : x
  2. Step 2: Convert to fraction form
    528,553,213.40/792,829,820.10 = 419,714,096.60/x
  3. Step 3: Cross multiply
    528,553,213.40x = 792,829,820.10 × 419,714,096.60
  4. Step 4: Simplify right side
    528,553,213.40x = 332,761,851,700,812,032
  5. Step 5: Solve for x
    x = 332,761,851,700,812,032/528,553,213.40
  6. Step 6: Final answer
    x = 629,571,144.90

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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.