Finding the Fourth Proportional to 1,259,064,068.30, 1,888,596,102.45 and 996,036,202.70
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Solution
The fourth proportional to 1,259,064,068.30, 1,888,596,102.45 and 996,036,202.70 is: 1,494,054,304.05
Step by Step Solution
- Step 1: Write the proportion equation
1,259,064,068.30 : 1,888,596,102.45 = 996,036,202.70 : x - Step 2: Convert to fraction form
1,259,064,068.30/1,888,596,102.45 = 996,036,202.70/x - Step 3: Cross multiply
1,259,064,068.30x = 1,888,596,102.45 × 996,036,202.70 - Step 4: Simplify right side
1,259,064,068.30x = 1,881,110,090,318,318,336 - Step 5: Solve for x
x = 1,881,110,090,318,318,336/1,259,064,068.30 - Step 6: Final answer
x = 1,494,054,304.05
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1.5x scale
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.