Finding the Fourth Proportional to 1,135,599,780.90, 1,703,399,671.35 and 445,529,547.30
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Solution
The fourth proportional to 1,135,599,780.90, 1,703,399,671.35 and 445,529,547.30 is: 668,294,320.95
Step by Step Solution
- Step 1: Write the proportion equation
1,135,599,780.90 : 1,703,399,671.35 = 445,529,547.30 : x - Step 2: Convert to fraction form
1,135,599,780.90/1,703,399,671.35 = 445,529,547.30/x - Step 3: Cross multiply
1,135,599,780.90x = 1,703,399,671.35 × 445,529,547.30 - Step 4: Simplify right side
1,135,599,780.90x = 758,914,884,447,534,208 - Step 5: Solve for x
x = 758,914,884,447,534,208/1,135,599,780.90 - Step 6: Final answer
x = 668,294,320.95
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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.