Finding the Fourth Proportional to 558,117,757.95, 837,176,636.65 and 208,391,137.75
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Solution
The fourth proportional to 558,117,757.95, 837,176,636.65 and 208,391,137.75 is: 312,586,706.52
Step by Step Solution
- Step 1: Write the proportion equation
558,117,757.95 : 837,176,636.65 = 208,391,137.75 : x - Step 2: Convert to fraction form
558,117,757.95/837,176,636.65 = 208,391,137.75/x - Step 3: Cross multiply
558,117,757.95x = 837,176,636.65 × 208,391,137.75 - Step 4: Simplify right side
558,117,757.95x = 174,460,191,809,211,840 - Step 5: Solve for x
x = 174,460,191,809,211,840/558,117,757.95 - Step 6: Final answer
x = 312,586,706.52
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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.