Finding the Fourth Proportional to 589,712,982.30, 884,569,473.45 and 201,477,617.10
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Solution
The fourth proportional to 589,712,982.30, 884,569,473.45 and 201,477,617.10 is: 302,216,425.65
Step by Step Solution
- Step 1: Write the proportion equation
589,712,982.30 : 884,569,473.45 = 201,477,617.10 : x - Step 2: Convert to fraction form
589,712,982.30/884,569,473.45 = 201,477,617.10/x - Step 3: Cross multiply
589,712,982.30x = 884,569,473.45 × 201,477,617.10 - Step 4: Simplify right side
589,712,982.30x = 178,220,949,670,107,712 - Step 5: Solve for x
x = 178,220,949,670,107,712/589,712,982.30 - Step 6: Final answer
x = 302,216,425.65
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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.