Finding the Fourth Proportional to 930,059,711.62, 1,394,605,153.43 and 438,641,035.11
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Solution
The fourth proportional to 930,059,711.62, 1,394,605,153.43 and 438,641,035.11 is: 657,733,090.07
Step by Step Solution
- Step 1: Write the proportion equation
930,059,711.62 : 1,394,605,153.43 = 438,641,035.11 : x - Step 2: Convert to fraction form
930,059,711.62/1,394,605,153.43 = 438,641,035.11/x - Step 3: Cross multiply
930,059,711.62x = 1,394,605,153.43 × 438,641,035.11 - Step 4: Simplify right side
930,059,711.62x = 611,731,048,070,275,584 - Step 5: Solve for x
x = 611,731,048,070,275,584/930,059,711.62 - Step 6: Final answer
x = 657,733,090.07
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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.