Home / 660,120,329.60-989,457,326.40-332,072,662.40

Finding the Fourth Proportional to 660,120,329.60, 989,457,326.40 and 332,072,662.40

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Solution

The fourth proportional to 660,120,329.60, 989,457,326.40 and 332,072,662.40 is: 497,745,204.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,120,329.60 : 989,457,326.40 = 332,072,662.40 : x
  2. Step 2: Convert to fraction form
    660,120,329.60/989,457,326.40 = 332,072,662.40/x
  3. Step 3: Cross multiply
    660,120,329.60x = 989,457,326.40 × 332,072,662.40
  4. Step 4: Simplify right side
    660,120,329.60x = 328,571,728,708,833,792
  5. Step 5: Solve for x
    x = 328,571,728,708,833,792/660,120,329.60
  6. Step 6: Final answer
    x = 497,745,204.89

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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.