Finding the Fourth Proportional to 788,028,806,354.08, 1,087,450,618,737.40 and 427,138,872,440.80
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Solution
The fourth proportional to 788,028,806,354.08, 1,087,450,618,737.40 and 427,138,872,440.80 is: 589,435,852,315.58
Step by Step Solution
- Step 1: Write the proportion equation
788,028,806,354.08 : 1,087,450,618,737.40 = 427,138,872,440.80 : x - Step 2: Convert to fraction form
788,028,806,354.08/1,087,450,618,737.40 = 427,138,872,440.80/x - Step 3: Cross multiply
788,028,806,354.08x = 1,087,450,618,737.40 × 427,138,872,440.80 - Step 4: Simplify right side
788,028,806,354.08x = 464,492,431,122,543,329,411,072 - Step 5: Solve for x
x = 464,492,431,122,543,329,411,072/788,028,806,354.08 - Step 6: Final answer
x = 589,435,852,315.58
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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.