Home / 421,848,032.40-632,772,048.60-179,479,443.60

Finding the Fourth Proportional to 421,848,032.40, 632,772,048.60 and 179,479,443.60

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Solution

The fourth proportional to 421,848,032.40, 632,772,048.60 and 179,479,443.60 is: 269,219,165.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,848,032.40 : 632,772,048.60 = 179,479,443.60 : x
  2. Step 2: Convert to fraction form
    421,848,032.40/632,772,048.60 = 179,479,443.60/x
  3. Step 3: Cross multiply
    421,848,032.40x = 632,772,048.60 × 179,479,443.60
  4. Step 4: Simplify right side
    421,848,032.40x = 113,569,575,208,360,160
  5. Step 5: Solve for x
    x = 113,569,575,208,360,160/421,848,032.40
  6. Step 6: Final answer
    x = 269,219,165.40

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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.