Home / 254,641,086,848.24-351,405,792,338.91-138,900,368,751.61

Finding the Fourth Proportional to 254,641,086,848.24, 351,405,792,338.91 and 138,900,368,751.61

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Solution

The fourth proportional to 254,641,086,848.24, 351,405,792,338.91 and 138,900,368,751.61 is: 191,683,104,802.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,641,086,848.24 : 351,405,792,338.91 = 138,900,368,751.61 : x
  2. Step 2: Convert to fraction form
    254,641,086,848.24/351,405,792,338.91 = 138,900,368,751.61/x
  3. Step 3: Cross multiply
    254,641,086,848.24x = 351,405,792,338.91 × 138,900,368,751.61
  4. Step 4: Simplify right side
    254,641,086,848.24x = 48,810,394,137,326,279,196,672
  5. Step 5: Solve for x
    x = 48,810,394,137,326,279,196,672/254,641,086,848.24
  6. Step 6: Final answer
    x = 191,683,104,802.39

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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.