Finding the Fourth Proportional to 996,454,031.65, 1,375,148,339.81 and 573,068,023.63
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Solution
The fourth proportional to 996,454,031.65, 1,375,148,339.81 and 573,068,023.63 is: 790,857,898.37
Step by Step Solution
- Step 1: Write the proportion equation
996,454,031.65 : 1,375,148,339.81 = 573,068,023.63 : x - Step 2: Convert to fraction form
996,454,031.65/1,375,148,339.81 = 573,068,023.63/x - Step 3: Cross multiply
996,454,031.65x = 1,375,148,339.81 × 573,068,023.63 - Step 4: Simplify right side
996,454,031.65x = 788,053,541,292,992,256 - Step 5: Solve for x
x = 788,053,541,292,992,256/996,454,031.65 - Step 6: Final answer
x = 790,857,898.37
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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.