Finding the Fourth Proportional to 732,478,047.63, 1,010,569,709.57 and 453,917,933.07
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Solution
The fourth proportional to 732,478,047.63, 1,010,569,709.57 and 453,917,933.07 is: 626,251,824.57
Step by Step Solution
- Step 1: Write the proportion equation
732,478,047.63 : 1,010,569,709.57 = 453,917,933.07 : x - Step 2: Convert to fraction form
732,478,047.63/1,010,569,709.57 = 453,917,933.07/x - Step 3: Cross multiply
732,478,047.63x = 1,010,569,709.57 × 453,917,933.07 - Step 4: Simplify right side
732,478,047.63x = 458,715,713,788,895,040 - Step 5: Solve for x
x = 458,715,713,788,895,040/732,478,047.63 - Step 6: Final answer
x = 626,251,824.57
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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.