Finding the Fourth Proportional to 9,349,995,426.75, 12,903,399,285.08 and 5,177,829,282.75
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Solution
The fourth proportional to 9,349,995,426.75, 12,903,399,285.08 and 5,177,829,282.75 is: 7,145,629,020.75
Step by Step Solution
- Step 1: Write the proportion equation
9,349,995,426.75 : 12,903,399,285.08 = 5,177,829,282.75 : x - Step 2: Convert to fraction form
9,349,995,426.75/12,903,399,285.08 = 5,177,829,282.75/x - Step 3: Cross multiply
9,349,995,426.75x = 12,903,399,285.08 × 5,177,829,282.75 - Step 4: Simplify right side
9,349,995,426.75x = 66,811,598,665,302,638,592 - Step 5: Solve for x
x = 66,811,598,665,302,638,592/9,349,995,426.75 - Step 6: Final answer
x = 7,145,629,020.75
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1.5x scale
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.