Finding the Fourth Proportional to 438,824,588.92, 605,578,741.97 and 237,880,841.92
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Solution
The fourth proportional to 438,824,588.92, 605,578,741.97 and 237,880,841.92 is: 328,276,000.53
Step by Step Solution
- Step 1: Write the proportion equation
438,824,588.92 : 605,578,741.97 = 237,880,841.92 : x - Step 2: Convert to fraction form
438,824,588.92/605,578,741.97 = 237,880,841.92/x - Step 3: Cross multiply
438,824,588.92x = 605,578,741.97 × 237,880,841.92 - Step 4: Simplify right side
438,824,588.92x = 144,055,580,985,974,688 - Step 5: Solve for x
x = 144,055,580,985,974,688/438,824,588.92 - Step 6: Final answer
x = 328,276,000.53
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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.