Finding the Fourth Proportional to 673,988,576.10, 1,010,982,864.15 and 559,102,841.70
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Solution
The fourth proportional to 673,988,576.10, 1,010,982,864.15 and 559,102,841.70 is: 838,654,262.55
Step by Step Solution
- Step 1: Write the proportion equation
673,988,576.10 : 1,010,982,864.15 = 559,102,841.70 : x - Step 2: Convert to fraction form
673,988,576.10/1,010,982,864.15 = 559,102,841.70/x - Step 3: Cross multiply
673,988,576.10x = 1,010,982,864.15 × 559,102,841.70 - Step 4: Simplify right side
673,988,576.10x = 565,243,392,256,270,080 - Step 5: Solve for x
x = 565,243,392,256,270,080/673,988,576.10 - Step 6: Final answer
x = 838,654,262.55
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Double scale
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Similar ratio
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1.5x scale
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.