Finding the Fourth Proportional to 775,941,328.99, 1,072,199,724.88 and 552,535,152.74
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Solution
The fourth proportional to 775,941,328.99, 1,072,199,724.88 and 552,535,152.74 is: 763,495,919.89
Step by Step Solution
- Step 1: Write the proportion equation
775,941,328.99 : 1,072,199,724.88 = 552,535,152.74 : x - Step 2: Convert to fraction form
775,941,328.99/1,072,199,724.88 = 552,535,152.74/x - Step 3: Cross multiply
775,941,328.99x = 1,072,199,724.88 × 552,535,152.74 - Step 4: Simplify right side
775,941,328.99x = 592,428,038,754,356,736 - Step 5: Solve for x
x = 592,428,038,754,356,736/775,941,328.99 - Step 6: Final answer
x = 763,495,919.89
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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.