Finding the Fourth Proportional to 1,376,352,022.70, 2,064,528,034.05 and 456,370,352.30
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Solution
The fourth proportional to 1,376,352,022.70, 2,064,528,034.05 and 456,370,352.30 is: 684,555,528.45
Step by Step Solution
- Step 1: Write the proportion equation
1,376,352,022.70 : 2,064,528,034.05 = 456,370,352.30 : x - Step 2: Convert to fraction form
1,376,352,022.70/2,064,528,034.05 = 456,370,352.30/x - Step 3: Cross multiply
1,376,352,022.70x = 2,064,528,034.05 × 456,370,352.30 - Step 4: Simplify right side
1,376,352,022.70x = 942,189,386,232,624,896 - Step 5: Solve for x
x = 942,189,386,232,624,896/1,376,352,022.70 - Step 6: Final answer
x = 684,555,528.45
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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.