Home / 528,553,209.40-792,829,814.10-419,714,092.60

Finding the Fourth Proportional to 528,553,209.40, 792,829,814.10 and 419,714,092.60

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Solution

The fourth proportional to 528,553,209.40, 792,829,814.10 and 419,714,092.60 is: 629,571,138.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,553,209.40 : 792,829,814.10 = 419,714,092.60 : x
  2. Step 2: Convert to fraction form
    528,553,209.40/792,829,814.10 = 419,714,092.60/x
  3. Step 3: Cross multiply
    528,553,209.40x = 792,829,814.10 × 419,714,092.60
  4. Step 4: Simplify right side
    528,553,209.40x = 332,761,846,011,208,192
  5. Step 5: Solve for x
    x = 332,761,846,011,208,192/528,553,209.40
  6. Step 6: Final answer
    x = 629,571,138.90

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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.