Finding the Fourth Proportional to 1,405,068,706.36, 2,107,411,737.54 and 369,842,897.08
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Solution
The fourth proportional to 1,405,068,706.36, 2,107,411,737.54 and 369,842,897.08 is: 554,713,985.75
Step by Step Solution
- Step 1: Write the proportion equation
1,405,068,706.36 : 2,107,411,737.54 = 369,842,897.08 : x - Step 2: Convert to fraction form
1,405,068,706.36/2,107,411,737.54 = 369,842,897.08/x - Step 3: Cross multiply
1,405,068,706.36x = 2,107,411,737.54 × 369,842,897.08 - Step 4: Simplify right side
1,405,068,706.36x = 779,411,262,352,190,080 - Step 5: Solve for x
x = 779,411,262,352,190,080/1,405,068,706.36 - Step 6: Final answer
x = 554,713,985.75
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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.