Finding the Fourth Proportional to 1,106,863,084.04, 1,527,481,219.58 and 630,546,393.62
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Solution
The fourth proportional to 1,106,863,084.04, 1,527,481,219.58 and 630,546,393.62 is: 870,159,813.09
Step by Step Solution
- Step 1: Write the proportion equation
1,106,863,084.04 : 1,527,481,219.58 = 630,546,393.62 : x - Step 2: Convert to fraction form
1,106,863,084.04/1,527,481,219.58 = 630,546,393.62/x - Step 3: Cross multiply
1,106,863,084.04x = 1,527,481,219.58 × 630,546,393.62 - Step 4: Simplify right side
1,106,863,084.04x = 963,147,774,317,658,240 - Step 5: Solve for x
x = 963,147,774,317,658,240/1,106,863,084.04 - Step 6: Final answer
x = 870,159,813.09
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Double scale
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.