Finding the Fourth Proportional to 7,889,501,461.95, 10,887,517,887.26 and 4,272,553,277.19
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Solution
The fourth proportional to 7,889,501,461.95, 10,887,517,887.26 and 4,272,553,277.19 is: 5,896,126,701.29
Step by Step Solution
- Step 1: Write the proportion equation
7,889,501,461.95 : 10,887,517,887.26 = 4,272,553,277.19 : x - Step 2: Convert to fraction form
7,889,501,461.95/10,887,517,887.26 = 4,272,553,277.19/x - Step 3: Cross multiply
7,889,501,461.95x = 10,887,517,887.26 × 4,272,553,277.19 - Step 4: Simplify right side
7,889,501,461.95x = 46,517,500,229,656,092,672 - Step 5: Solve for x
x = 46,517,500,229,656,092,672/7,889,501,461.95 - Step 6: Final answer
x = 5,896,126,701.29
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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.