Finding the Fourth Proportional to 7,889,501,461.70, 10,887,517,886.91 and 4,272,553,276.94
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Solution
The fourth proportional to 7,889,501,461.70, 10,887,517,886.91 and 4,272,553,276.94 is: 5,896,126,700.94
Step by Step Solution
- Step 1: Write the proportion equation
7,889,501,461.70 : 10,887,517,886.91 = 4,272,553,276.94 : x - Step 2: Convert to fraction form
7,889,501,461.70/10,887,517,886.91 = 4,272,553,276.94/x - Step 3: Cross multiply
7,889,501,461.70x = 10,887,517,886.91 × 4,272,553,276.94 - Step 4: Simplify right side
7,889,501,461.70x = 46,517,500,225,460,183,040 - Step 5: Solve for x
x = 46,517,500,225,460,183,040/7,889,501,461.70 - Step 6: Final answer
x = 5,896,126,700.94
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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.