Finding the Fourth Proportional to 7,219,206,389.51, 9,950,993,768.26 and 5,690,802,056.75
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Solution
The fourth proportional to 7,219,206,389.51, 9,950,993,768.26 and 5,690,802,056.75 is: 7,844,232,834.99
Step by Step Solution
- Step 1: Write the proportion equation
7,219,206,389.51 : 9,950,993,768.26 = 5,690,802,056.75 : x - Step 2: Convert to fraction form
7,219,206,389.51/9,950,993,768.26 = 5,690,802,056.75/x - Step 3: Cross multiply
7,219,206,389.51x = 9,950,993,768.26 × 5,690,802,056.75 - Step 4: Simplify right side
7,219,206,389.51x = 56,629,135,803,179,163,648 - Step 5: Solve for x
x = 56,629,135,803,179,163,648/7,219,206,389.51 - Step 6: Final answer
x = 7,844,232,834.99
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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.