Finding the Fourth Proportional to 973,309,337.10, 1,344,948,571.30 and 708,531,646.65
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Solution
The fourth proportional to 973,309,337.10, 1,344,948,571.30 and 708,531,646.65 is: 979,070,671.12
Step by Step Solution
- Step 1: Write the proportion equation
973,309,337.10 : 1,344,948,571.30 = 708,531,646.65 : x - Step 2: Convert to fraction form
973,309,337.10/1,344,948,571.30 = 708,531,646.65/x - Step 3: Cross multiply
973,309,337.10x = 1,344,948,571.30 × 708,531,646.65 - Step 4: Simplify right side
973,309,337.10x = 952,938,625,880,109,696 - Step 5: Solve for x
x = 952,938,625,880,109,696/973,309,337.10 - Step 6: Final answer
x = 979,070,671.12
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Double scale
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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.