Finding the Fourth Proportional to 9,639,921,291.14, 14,453,280,664.58 and 4,909,085,656.94
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Solution
The fourth proportional to 9,639,921,291.14, 14,453,280,664.58 and 4,909,085,656.94 is: 7,360,266,817.89
Step by Step Solution
- Step 1: Write the proportion equation
9,639,921,291.14 : 14,453,280,664.58 = 4,909,085,656.94 : x - Step 2: Convert to fraction form
9,639,921,291.14/14,453,280,664.58 = 4,909,085,656.94/x - Step 3: Cross multiply
9,639,921,291.14x = 14,453,280,664.58 × 4,909,085,656.94 - Step 4: Simplify right side
9,639,921,291.14x = 70,952,392,806,217,900,032 - Step 5: Solve for x
x = 70,952,392,806,217,900,032/9,639,921,291.14 - Step 6: Final answer
x = 7,360,266,817.89
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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.