Home / 318,003,698,350.56-438,846,527,160.72-173,487,390,120.30

Finding the Fourth Proportional to 318,003,698,350.56, 438,846,527,160.72 and 173,487,390,120.30

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Solution

The fourth proportional to 318,003,698,350.56, 438,846,527,160.72 and 173,487,390,120.30 is: 239,413,374,924.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,003,698,350.56 : 438,846,527,160.72 = 173,487,390,120.30 : x
  2. Step 2: Convert to fraction form
    318,003,698,350.56/438,846,527,160.72 = 173,487,390,120.30/x
  3. Step 3: Cross multiply
    318,003,698,350.56x = 438,846,527,160.72 × 173,487,390,120.30
  4. Step 4: Simplify right side
    318,003,698,350.56x = 76,134,338,660,470,643,228,672
  5. Step 5: Solve for x
    x = 76,134,338,660,470,643,228,672/318,003,698,350.56
  6. Step 6: Final answer
    x = 239,413,374,924.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.