Home / 664,308,001.65-996,462,002.48-354,371,610.45

Finding the Fourth Proportional to 664,308,001.65, 996,462,002.48 and 354,371,610.45

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Solution

The fourth proportional to 664,308,001.65, 996,462,002.48 and 354,371,610.45 is: 531,557,415.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,308,001.65 : 996,462,002.48 = 354,371,610.45 : x
  2. Step 2: Convert to fraction form
    664,308,001.65/996,462,002.48 = 354,371,610.45/x
  3. Step 3: Cross multiply
    664,308,001.65x = 996,462,002.48 × 354,371,610.45
  4. Step 4: Simplify right side
    664,308,001.65x = 353,117,844,569,297,664
  5. Step 5: Solve for x
    x = 353,117,844,569,297,664/664,308,001.65
  6. Step 6: Final answer
    x = 531,557,415.68

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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.