Finding the Fourth Proportional to 818,363,744.84, 1,228,321,691.82 and 506,528,088.70
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Solution
The fourth proportional to 818,363,744.84, 1,228,321,691.82 and 506,528,088.70 is: 760,272,486.15
Step by Step Solution
- Step 1: Write the proportion equation
818,363,744.84 : 1,228,321,691.82 = 506,528,088.70 : x - Step 2: Convert to fraction form
818,363,744.84/1,228,321,691.82 = 506,528,088.70/x - Step 3: Cross multiply
818,363,744.84x = 1,228,321,691.82 × 506,528,088.70 - Step 4: Simplify right side
818,363,744.84x = 622,179,438,866,334,976 - Step 5: Solve for x
x = 622,179,438,866,334,976/818,363,744.84 - Step 6: Final answer
x = 760,272,486.15
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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.