Finding the Fourth Proportional to 535,916,576.84, 803,272,341.69 and 272,862,750.13
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Solution
The fourth proportional to 535,916,576.84, 803,272,341.69 and 272,862,750.13 is: 408,987,349.39
Step by Step Solution
- Step 1: Write the proportion equation
535,916,576.84 : 803,272,341.69 = 272,862,750.13 : x - Step 2: Convert to fraction form
535,916,576.84/803,272,341.69 = 272,862,750.13/x - Step 3: Cross multiply
535,916,576.84x = 803,272,341.69 × 272,862,750.13 - Step 4: Simplify right side
535,916,576.84x = 219,183,100,254,890,272 - Step 5: Solve for x
x = 219,183,100,254,890,272/535,916,576.84 - Step 6: Final answer
x = 408,987,349.39
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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.