Home / 488,593,265.40-732,889,898.10-440,220,324.60

Finding the Fourth Proportional to 488,593,265.40, 732,889,898.10 and 440,220,324.60

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Solution

The fourth proportional to 488,593,265.40, 732,889,898.10 and 440,220,324.60 is: 660,330,486.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,593,265.40 : 732,889,898.10 = 440,220,324.60 : x
  2. Step 2: Convert to fraction form
    488,593,265.40/732,889,898.10 = 440,220,324.60/x
  3. Step 3: Cross multiply
    488,593,265.40x = 732,889,898.10 × 440,220,324.60
  4. Step 4: Simplify right side
    488,593,265.40x = 322,633,028,837,642,944
  5. Step 5: Solve for x
    x = 322,633,028,837,642,944/488,593,265.40
  6. Step 6: Final answer
    x = 660,330,486.90

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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.