Home / 328,963,308.60-493,444,962.90-319,397,370.60

Finding the Fourth Proportional to 328,963,308.60, 493,444,962.90 and 319,397,370.60

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Solution

The fourth proportional to 328,963,308.60, 493,444,962.90 and 319,397,370.60 is: 479,096,055.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,963,308.60 : 493,444,962.90 = 319,397,370.60 : x
  2. Step 2: Convert to fraction form
    328,963,308.60/493,444,962.90 = 319,397,370.60/x
  3. Step 3: Cross multiply
    328,963,308.60x = 493,444,962.90 × 319,397,370.60
  4. Step 4: Simplify right side
    328,963,308.60x = 157,605,023,686,074,560
  5. Step 5: Solve for x
    x = 157,605,023,686,074,560/328,963,308.60
  6. Step 6: Final answer
    x = 479,096,055.90

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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.