Finding the Fourth Proportional to 1,567,915,122.54, 2,163,775,970.58 and 853,476,737.16
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Solution
The fourth proportional to 1,567,915,122.54, 2,163,775,970.58 and 853,476,737.16 is: 1,177,826,802.46
Step by Step Solution
- Step 1: Write the proportion equation
1,567,915,122.54 : 2,163,775,970.58 = 853,476,737.16 : x - Step 2: Convert to fraction form
1,567,915,122.54/2,163,775,970.58 = 853,476,737.16/x - Step 3: Cross multiply
1,567,915,122.54x = 2,163,775,970.58 × 853,476,737.16 - Step 4: Simplify right side
1,567,915,122.54x = 1,846,732,455,315,830,528 - Step 5: Solve for x
x = 1,846,732,455,315,830,528/1,567,915,122.54 - Step 6: Final answer
x = 1,177,826,802.46
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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.