Finding the Fourth Proportional to 791,328,267.62, 1,185,494,153 and 528,219,467.99
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Solution
The fourth proportional to 791,328,267.62, 1,185,494,153 and 528,219,467.99 is: 791,329,106.30
Step by Step Solution
- Step 1: Write the proportion equation
791,328,267.62 : 1,185,494,153 = 528,219,467.99 : x - Step 2: Convert to fraction form
791,328,267.62/1,185,494,153 = 528,219,467.99/x - Step 3: Cross multiply
791,328,267.62x = 1,185,494,153 × 528,219,467.99 - Step 4: Simplify right side
791,328,267.62x = 626,201,090,802,915,712 - Step 5: Solve for x
x = 626,201,090,802,915,712/791,328,267.62 - Step 6: Final answer
x = 791,329,106.30
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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.