Home / 318,003,698,314.53-438,846,527,111.01-173,487,390,084.27

Finding the Fourth Proportional to 318,003,698,314.53, 438,846,527,111.01 and 173,487,390,084.27

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Solution

The fourth proportional to 318,003,698,314.53, 438,846,527,111.01 and 173,487,390,084.27 is: 239,413,374,874.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,003,698,314.53 : 438,846,527,111.01 = 173,487,390,084.27 : x
  2. Step 2: Convert to fraction form
    318,003,698,314.53/438,846,527,111.01 = 173,487,390,084.27/x
  3. Step 3: Cross multiply
    318,003,698,314.53x = 438,846,527,111.01 × 173,487,390,084.27
  4. Step 4: Simplify right side
    318,003,698,314.53x = 76,134,338,636,034,963,668,992
  5. Step 5: Solve for x
    x = 76,134,338,636,034,963,668,992/318,003,698,314.53
  6. Step 6: Final answer
    x = 239,413,374,874.44

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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.