Finding the Fourth Proportional to 1,608,105,508.94, 2,219,239,428.97 and 893,671,172.95
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Solution
The fourth proportional to 1,608,105,508.94, 2,219,239,428.97 and 893,671,172.95 is: 1,233,296,131.70
Step by Step Solution
- Step 1: Write the proportion equation
1,608,105,508.94 : 2,219,239,428.97 = 893,671,172.95 : x - Step 2: Convert to fraction form
1,608,105,508.94/2,219,239,428.97 = 893,671,172.95/x - Step 3: Cross multiply
1,608,105,508.94x = 2,219,239,428.97 × 893,671,172.95 - Step 4: Simplify right side
1,608,105,508.94x = 1,983,270,303,544,507,904 - Step 5: Solve for x
x = 1,983,270,303,544,507,904/1,608,105,508.94 - Step 6: Final answer
x = 1,233,296,131.70
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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.