Home / 655,531,231.20-983,296,846.80-448,906,970.40

Finding the Fourth Proportional to 655,531,231.20, 983,296,846.80 and 448,906,970.40

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Solution

The fourth proportional to 655,531,231.20, 983,296,846.80 and 448,906,970.40 is: 673,360,455.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,531,231.20 : 983,296,846.80 = 448,906,970.40 : x
  2. Step 2: Convert to fraction form
    655,531,231.20/983,296,846.80 = 448,906,970.40/x
  3. Step 3: Cross multiply
    655,531,231.20x = 983,296,846.80 × 448,906,970.40
  4. Step 4: Simplify right side
    655,531,231.20x = 441,408,808,500,860,864
  5. Step 5: Solve for x
    x = 441,408,808,500,860,864/655,531,231.20
  6. Step 6: Final answer
    x = 673,360,455.60

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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.