Finding the Fourth Proportional to 1,553,299,553.60, 2,143,538,897.28 and 848,451,265.28
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Solution
The fourth proportional to 1,553,299,553.60, 2,143,538,897.28 and 848,451,265.28 is: 1,170,854,833.09
Step by Step Solution
- Step 1: Write the proportion equation
1,553,299,553.60 : 2,143,538,897.28 = 848,451,265.28 : x - Step 2: Convert to fraction form
1,553,299,553.60/2,143,538,897.28 = 848,451,265.28/x - Step 3: Cross multiply
1,553,299,553.60x = 2,143,538,897.28 × 848,451,265.28 - Step 4: Simplify right side
1,553,299,553.60x = 1,818,688,289,574,111,744 - Step 5: Solve for x
x = 1,818,688,289,574,111,744/1,553,299,553.60 - Step 6: Final answer
x = 1,170,854,833.09
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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.