Finding the Fourth Proportional to 917,743,013,882.97, 1,266,489,296,557.30 and 500,605,949,497.65
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Solution
The fourth proportional to 917,743,013,882.97, 1,266,489,296,557.30 and 500,605,949,497.65 is: 690,838,358,059.71
Step by Step Solution
- Step 1: Write the proportion equation
917,743,013,882.97 : 1,266,489,296,557.30 = 500,605,949,497.65 : x - Step 2: Convert to fraction form
917,743,013,882.97/1,266,489,296,557.30 = 500,605,949,497.65/x - Step 3: Cross multiply
917,743,013,882.97x = 1,266,489,296,557.30 × 500,605,949,497.65 - Step 4: Simplify right side
917,743,013,882.97x = 634,012,076,831,678,073,405,440 - Step 5: Solve for x
x = 634,012,076,831,678,073,405,440/917,743,013,882.97 - Step 6: Final answer
x = 690,838,358,059.71
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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.