Home / 328,963,477.60-493,445,216.40-319,397,539.60

Finding the Fourth Proportional to 328,963,477.60, 493,445,216.40 and 319,397,539.60

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Solution

The fourth proportional to 328,963,477.60, 493,445,216.40 and 319,397,539.60 is: 479,096,309.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,963,477.60 : 493,445,216.40 = 319,397,539.60 : x
  2. Step 2: Convert to fraction form
    328,963,477.60/493,445,216.40 = 319,397,539.60/x
  3. Step 3: Cross multiply
    328,963,477.60x = 493,445,216.40 × 319,397,539.60
  4. Step 4: Simplify right side
    328,963,477.60x = 157,605,188,045,549,568
  5. Step 5: Solve for x
    x = 157,605,188,045,549,568/328,963,477.60
  6. Step 6: Final answer
    x = 479,096,309.40

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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.