Finding the Fourth Proportional to 1,155,546,048.97, 1,594,656,605.64 and 626,910,018.61
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Solution
The fourth proportional to 1,155,546,048.97, 1,594,656,605.64 and 626,910,018.61 is: 865,137,484.75
Step by Step Solution
- Step 1: Write the proportion equation
1,155,546,048.97 : 1,594,656,605.64 = 626,910,018.61 : x - Step 2: Convert to fraction form
1,155,546,048.97/1,594,656,605.64 = 626,910,018.61/x - Step 3: Cross multiply
1,155,546,048.97x = 1,594,656,605.64 × 626,910,018.61 - Step 4: Simplify right side
1,155,546,048.97x = 999,706,202,318,331,904 - Step 5: Solve for x
x = 999,706,202,318,331,904/1,155,546,048.97 - Step 6: Final answer
x = 865,137,484.75
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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.