Finding the Fourth Proportional to 801,718,312.80, 1,123,936,188 and 801,718,312.80
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Solution
The fourth proportional to 801,718,312.80, 1,123,936,188 and 801,718,312.80 is: 1,123,936,188
Step by Step Solution
- Step 1: Write the proportion equation
801,718,312.80 : 1,123,936,188 = 801,718,312.80 : x - Step 2: Convert to fraction form
801,718,312.80/1,123,936,188 = 801,718,312.80/x - Step 3: Cross multiply
801,718,312.80x = 1,123,936,188 × 801,718,312.80 - Step 4: Simplify right side
801,718,312.80x = 901,080,224,338,223,616 - Step 5: Solve for x
x = 901,080,224,338,223,616/801,718,312.80 - Step 6: Final answer
x = 1,123,936,188
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.