Home / 655,526,676.20-983,290,014.30-448,902,415.40

Finding the Fourth Proportional to 655,526,676.20, 983,290,014.30 and 448,902,415.40

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Solution

The fourth proportional to 655,526,676.20, 983,290,014.30 and 448,902,415.40 is: 673,353,623.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,526,676.20 : 983,290,014.30 = 448,902,415.40 : x
  2. Step 2: Convert to fraction form
    655,526,676.20/983,290,014.30 = 448,902,415.40/x
  3. Step 3: Cross multiply
    655,526,676.20x = 983,290,014.30 × 448,902,415.40
  4. Step 4: Simplify right side
    655,526,676.20x = 441,401,262,457,970,496
  5. Step 5: Solve for x
    x = 441,401,262,457,970,496/655,526,676.20
  6. Step 6: Final answer
    x = 673,353,623.10

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1.5x scale

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.