Finding the Fourth Proportional to 927,776,430.36, 1,391,665,039.74 and 272,727,502.56
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Solution
The fourth proportional to 927,776,430.36, 1,391,665,039.74 and 272,727,502.56 is: 409,091,369.72
Step by Step Solution
- Step 1: Write the proportion equation
927,776,430.36 : 1,391,665,039.74 = 272,727,502.56 : x - Step 2: Convert to fraction form
927,776,430.36/1,391,665,039.74 = 272,727,502.56/x - Step 3: Cross multiply
927,776,430.36x = 1,391,665,039.74 × 272,727,502.56 - Step 4: Simplify right side
927,776,430.36x = 379,545,330,688,353,344 - Step 5: Solve for x
x = 379,545,330,688,353,344/927,776,430.36 - Step 6: Final answer
x = 409,091,369.72
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1.5x scale
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.