Finding the Fourth Proportional to 775,941,327.99, 1,072,199,723.50 and 552,535,151.74
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Solution
The fourth proportional to 775,941,327.99, 1,072,199,723.50 and 552,535,151.74 is: 763,495,918.50
Step by Step Solution
- Step 1: Write the proportion equation
775,941,327.99 : 1,072,199,723.50 = 552,535,151.74 : x - Step 2: Convert to fraction form
775,941,327.99/1,072,199,723.50 = 552,535,151.74/x - Step 3: Cross multiply
775,941,327.99x = 1,072,199,723.50 × 552,535,151.74 - Step 4: Simplify right side
775,941,327.99x = 592,428,036,919,658,496 - Step 5: Solve for x
x = 592,428,036,919,658,496/775,941,327.99 - Step 6: Final answer
x = 763,495,918.50
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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.