Finding the Fourth Proportional to 637,741,017.68, 880,101,257.16 and 373,398,278.48
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Solution
The fourth proportional to 637,741,017.68, 880,101,257.16 and 373,398,278.48 is: 515,300,545.52
Step by Step Solution
- Step 1: Write the proportion equation
637,741,017.68 : 880,101,257.16 = 373,398,278.48 : x - Step 2: Convert to fraction form
637,741,017.68/880,101,257.16 = 373,398,278.48/x - Step 3: Cross multiply
637,741,017.68x = 880,101,257.16 × 373,398,278.48 - Step 4: Simplify right side
637,741,017.68x = 328,628,294,311,627,776 - Step 5: Solve for x
x = 328,628,294,311,627,776/637,741,017.68 - Step 6: Final answer
x = 515,300,545.52
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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.