Finding the Fourth Proportional to 27,424,018,368.20, 37,806,889,237.98 and 18,393,390,258.68
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Solution
The fourth proportional to 27,424,018,368.20, 37,806,889,237.98 and 18,393,390,258.68 is: 25,357,220,042.82
Step by Step Solution
- Step 1: Write the proportion equation
27,424,018,368.20 : 37,806,889,237.98 = 18,393,390,258.68 : x - Step 2: Convert to fraction form
27,424,018,368.20/37,806,889,237.98 = 18,393,390,258.68/x - Step 3: Cross multiply
27,424,018,368.20x = 37,806,889,237.98 × 18,393,390,258.68 - Step 4: Simplify right side
27,424,018,368.20x = 695,396,868,220,855,123,968 - Step 5: Solve for x
x = 695,396,868,220,855,123,968/27,424,018,368.20 - Step 6: Final answer
x = 25,357,220,042.82
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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.