Home / 328,032,775.60-492,049,163.40-133,879,663.60

Finding the Fourth Proportional to 328,032,775.60, 492,049,163.40 and 133,879,663.60

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Solution

The fourth proportional to 328,032,775.60, 492,049,163.40 and 133,879,663.60 is: 200,819,495.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,032,775.60 : 492,049,163.40 = 133,879,663.60 : x
  2. Step 2: Convert to fraction form
    328,032,775.60/492,049,163.40 = 133,879,663.60/x
  3. Step 3: Cross multiply
    328,032,775.60x = 492,049,163.40 × 133,879,663.60
  4. Step 4: Simplify right side
    328,032,775.60x = 65,875,376,470,653,424
  5. Step 5: Solve for x
    x = 65,875,376,470,653,424/328,032,775.60
  6. Step 6: Final answer
    x = 200,819,495.40

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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.