Home / 405,510,466.80-607,071,306.60-381,888,015.60

Finding the Fourth Proportional to 405,510,466.80, 607,071,306.60 and 381,888,015.60

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Solution

The fourth proportional to 405,510,466.80, 607,071,306.60 and 381,888,015.60 is: 571,707,207.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,510,466.80 : 607,071,306.60 = 381,888,015.60 : x
  2. Step 2: Convert to fraction form
    405,510,466.80/607,071,306.60 = 381,888,015.60/x
  3. Step 3: Cross multiply
    405,510,466.80x = 607,071,306.60 × 381,888,015.60
  4. Step 4: Simplify right side
    405,510,466.80x = 231,833,256,605,173,216
  5. Step 5: Solve for x
    x = 231,833,256,605,173,216/405,510,466.80
  6. Step 6: Final answer
    x = 571,707,207.55

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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.