Finding the Fourth Proportional to 722,278,772.68, 1,081,578,945.04 and 475,888,421.32
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Solution
The fourth proportional to 722,278,772.68, 1,081,578,945.04 and 475,888,421.32 is: 712,620,827.52
Step by Step Solution
- Step 1: Write the proportion equation
722,278,772.68 : 1,081,578,945.04 = 475,888,421.32 : x - Step 2: Convert to fraction form
722,278,772.68/1,081,578,945.04 = 475,888,421.32/x - Step 3: Cross multiply
722,278,772.68x = 1,081,578,945.04 × 475,888,421.32 - Step 4: Simplify right side
722,278,772.68x = 514,710,896,688,036,608 - Step 5: Solve for x
x = 514,710,896,688,036,608/722,278,772.68 - Step 6: Final answer
x = 712,620,827.52
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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.