Finding the Fourth Proportional to 22,693,307,436, 31,316,437,355.76 and 12,532,465,239.84
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Solution
The fourth proportional to 22,693,307,436, 31,316,437,355.76 and 12,532,465,239.84 is: 17,294,621,495.94
Step by Step Solution
- Step 1: Write the proportion equation
22,693,307,436 : 31,316,437,355.76 = 12,532,465,239.84 : x - Step 2: Convert to fraction form
22,693,307,436/31,316,437,355.76 = 12,532,465,239.84/x - Step 3: Cross multiply
22,693,307,436x = 31,316,437,355.76 × 12,532,465,239.84 - Step 4: Simplify right side
22,693,307,436x = 392,472,162,596,689,084,416 - Step 5: Solve for x
x = 392,472,162,596,689,084,416/22,693,307,436 - Step 6: Final answer
x = 17,294,621,495.94
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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.