Finding the Fourth Proportional to 1,475,644,274.70, 2,213,147,547.45 and 646,596,314.70
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Solution
The fourth proportional to 1,475,644,274.70, 2,213,147,547.45 and 646,596,314.70 is: 969,754,752.28
Step by Step Solution
- Step 1: Write the proportion equation
1,475,644,274.70 : 2,213,147,547.45 = 646,596,314.70 : x - Step 2: Convert to fraction form
1,475,644,274.70/2,213,147,547.45 = 646,596,314.70/x - Step 3: Cross multiply
1,475,644,274.70x = 2,213,147,547.45 × 646,596,314.70 - Step 4: Simplify right side
1,475,644,274.70x = 1,431,013,048,068,513,280 - Step 5: Solve for x
x = 1,431,013,048,068,513,280/1,475,644,274.70 - Step 6: Final answer
x = 969,754,752.28
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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.