Finding the Fourth Proportional to 917,446,511.68, 1,376,169,767.55 and 917,446,511.68
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Solution
The fourth proportional to 917,446,511.68, 1,376,169,767.55 and 917,446,511.68 is: 1,376,169,767.55
Step by Step Solution
- Step 1: Write the proportion equation
917,446,511.68 : 1,376,169,767.55 = 917,446,511.68 : x - Step 2: Convert to fraction form
917,446,511.68/1,376,169,767.55 = 917,446,511.68/x - Step 3: Cross multiply
917,446,511.68x = 1,376,169,767.55 × 917,446,511.68 - Step 4: Simplify right side
917,446,511.68x = 1,262,562,152,721,664,256 - Step 5: Solve for x
x = 1,262,562,152,721,664,256/917,446,511.68 - Step 6: Final answer
x = 1,376,169,767.55
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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.