Finding the Fourth Proportional to 39,938,368,806.80, 55,116,681,450.99 and 22,117,026,312.80
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Solution
The fourth proportional to 39,938,368,806.80, 55,116,681,450.99 and 22,117,026,312.80 is: 30,522,455,732.30
Step by Step Solution
- Step 1: Write the proportion equation
39,938,368,806.80 : 55,116,681,450.99 = 22,117,026,312.80 : x - Step 2: Convert to fraction form
39,938,368,806.80/55,116,681,450.99 = 22,117,026,312.80/x - Step 3: Cross multiply
39,938,368,806.80x = 55,116,681,450.99 × 22,117,026,312.80 - Step 4: Simplify right side
39,938,368,806.80x = 1,219,017,093,925,485,674,496 - Step 5: Solve for x
x = 1,219,017,093,925,485,674,496/39,938,368,806.80 - Step 6: Final answer
x = 30,522,455,732.30
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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.