Finding the Fourth Proportional to 852,929,999.30, 1,177,225,248.57 and 585,371,836.10
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Solution
The fourth proportional to 852,929,999.30, 1,177,225,248.57 and 585,371,836.10 is: 807,937,938.43
Step by Step Solution
- Step 1: Write the proportion equation
852,929,999.30 : 1,177,225,248.57 = 585,371,836.10 : x - Step 2: Convert to fraction form
852,929,999.30/1,177,225,248.57 = 585,371,836.10/x - Step 3: Cross multiply
852,929,999.30x = 1,177,225,248.57 × 585,371,836.10 - Step 4: Simplify right side
852,929,999.30x = 689,114,505,258,699,776 - Step 5: Solve for x
x = 689,114,505,258,699,776/852,929,999.30 - Step 6: Final answer
x = 807,937,938.43
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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.