Finding the Fourth Proportional to 808,282,091.68, 1,115,429,508.70 and 446,176,274.56
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Solution
The fourth proportional to 808,282,091.68, 1,115,429,508.70 and 446,176,274.56 is: 615,723,381.54
Step by Step Solution
- Step 1: Write the proportion equation
808,282,091.68 : 1,115,429,508.70 = 446,176,274.56 : x - Step 2: Convert to fraction form
808,282,091.68/1,115,429,508.70 = 446,176,274.56/x - Step 3: Cross multiply
808,282,091.68x = 1,115,429,508.70 × 446,176,274.56 - Step 4: Simplify right side
808,282,091.68x = 497,678,182,726,057,152 - Step 5: Solve for x
x = 497,678,182,726,057,152/808,282,091.68 - Step 6: Final answer
x = 615,723,381.54
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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.