Finding the Fourth Proportional to 894,312,315.45, 1,234,091,536.97 and 497,825,110.79
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Solution
The fourth proportional to 894,312,315.45, 1,234,091,536.97 and 497,825,110.79 is: 686,965,554.99
Step by Step Solution
- Step 1: Write the proportion equation
894,312,315.45 : 1,234,091,536.97 = 497,825,110.79 : x - Step 2: Convert to fraction form
894,312,315.45/1,234,091,536.97 = 497,825,110.79/x - Step 3: Cross multiply
894,312,315.45x = 1,234,091,536.97 × 497,825,110.79 - Step 4: Simplify right side
894,312,315.45x = 614,361,756,110,921,216 - Step 5: Solve for x
x = 614,361,756,110,921,216/894,312,315.45 - Step 6: Final answer
x = 686,965,554.99
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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.