Finding the Fourth Proportional to 688,451,316.10, 1,032,981,929.43 and 360,848,973.94
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Solution
The fourth proportional to 688,451,316.10, 1,032,981,929.43 and 360,848,973.94 is: 541,433,301.99
Step by Step Solution
- Step 1: Write the proportion equation
688,451,316.10 : 1,032,981,929.43 = 360,848,973.94 : x - Step 2: Convert to fraction form
688,451,316.10/1,032,981,929.43 = 360,848,973.94/x - Step 3: Cross multiply
688,451,316.10x = 1,032,981,929.43 × 360,848,973.94 - Step 4: Simplify right side
688,451,316.10x = 372,750,469,333,376,960 - Step 5: Solve for x
x = 372,750,469,333,376,960/688,451,316.10 - Step 6: Final answer
x = 541,433,301.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.