Home / 326,605,326.48-489,737,880-154,035,804.96

Finding the Fourth Proportional to 326,605,326.48, 489,737,880 and 154,035,804.96

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Solution

The fourth proportional to 326,605,326.48, 489,737,880 and 154,035,804.96 is: 230,973,479.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,605,326.48 : 489,737,880 = 154,035,804.96 : x
  2. Step 2: Convert to fraction form
    326,605,326.48/489,737,880 = 154,035,804.96/x
  3. Step 3: Cross multiply
    326,605,326.48x = 489,737,880 × 154,035,804.96
  4. Step 4: Simplify right side
    326,605,326.48x = 75,437,168,565,203,888
  5. Step 5: Solve for x
    x = 75,437,168,565,203,888/326,605,326.48
  6. Step 6: Final answer
    x = 230,973,479.15

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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.