Finding the Fourth Proportional to 927,949,242.84, 1,391,792,811.60 and 297,599,390.73
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Solution
The fourth proportional to 927,949,242.84, 1,391,792,811.60 and 297,599,390.73 is: 446,357,056.65
Step by Step Solution
- Step 1: Write the proportion equation
927,949,242.84 : 1,391,792,811.60 = 297,599,390.73 : x - Step 2: Convert to fraction form
927,949,242.84/1,391,792,811.60 = 297,599,390.73/x - Step 3: Cross multiply
927,949,242.84x = 1,391,792,811.60 × 297,599,390.73 - Step 4: Simplify right side
927,949,242.84x = 414,196,692,751,743,872 - Step 5: Solve for x
x = 414,196,692,751,743,872/927,949,242.84 - Step 6: Final answer
x = 446,357,056.65
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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.