Finding the Fourth Proportional to 754,487,597.19, 1,131,731,129.40 and 201,775,660.44
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Solution
The fourth proportional to 754,487,597.19, 1,131,731,129.40 and 201,775,660.44 is: 302,663,419.41
Step by Step Solution
- Step 1: Write the proportion equation
754,487,597.19 : 1,131,731,129.40 = 201,775,660.44 : x - Step 2: Convert to fraction form
754,487,597.19/1,131,731,129.40 = 201,775,660.44/x - Step 3: Cross multiply
754,487,597.19x = 1,131,731,129.40 × 201,775,660.44 - Step 4: Simplify right side
754,487,597.19x = 228,355,796,071,331,488 - Step 5: Solve for x
x = 228,355,796,071,331,488/754,487,597.19 - Step 6: Final answer
x = 302,663,419.41
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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.