Finding the Fourth Proportional to 576,919,483.04, 796,151,658.14 and 312,601,406.00
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Solution
The fourth proportional to 576,919,483.04, 796,151,658.14 and 312,601,406.00 is: 431,391,442.02
Step by Step Solution
- Step 1: Write the proportion equation
576,919,483.04 : 796,151,658.14 = 312,601,406.00 : x - Step 2: Convert to fraction form
576,919,483.04/796,151,658.14 = 312,601,406.00/x - Step 3: Cross multiply
576,919,483.04x = 796,151,658.14 × 312,601,406.00 - Step 4: Simplify right side
576,919,483.04x = 248,878,127,718,251,584 - Step 5: Solve for x
x = 248,878,127,718,251,584/576,919,483.04 - Step 6: Final answer
x = 431,391,442.02
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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.