Home / 528,553,215.40-792,829,823.10-419,714,098.60

Finding the Fourth Proportional to 528,553,215.40, 792,829,823.10 and 419,714,098.60

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Solution

The fourth proportional to 528,553,215.40, 792,829,823.10 and 419,714,098.60 is: 629,571,147.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,553,215.40 : 792,829,823.10 = 419,714,098.60 : x
  2. Step 2: Convert to fraction form
    528,553,215.40/792,829,823.10 = 419,714,098.60/x
  3. Step 3: Cross multiply
    528,553,215.40x = 792,829,823.10 × 419,714,098.60
  4. Step 4: Simplify right side
    528,553,215.40x = 332,761,854,545,614,016
  5. Step 5: Solve for x
    x = 332,761,854,545,614,016/528,553,215.40
  6. Step 6: Final answer
    x = 629,571,147.90

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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.