Finding the Fourth Proportional to 761,036,943.24, 1,050,213,119.40 and 447,791,446.08
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Solution
The fourth proportional to 761,036,943.24, 1,050,213,119.40 and 447,791,446.08 is: 617,941,685.49
Step by Step Solution
- Step 1: Write the proportion equation
761,036,943.24 : 1,050,213,119.40 = 447,791,446.08 : x - Step 2: Convert to fraction form
761,036,943.24/1,050,213,119.40 = 447,791,446.08/x - Step 3: Cross multiply
761,036,943.24x = 1,050,213,119.40 × 447,791,446.08 - Step 4: Simplify right side
761,036,943.24x = 470,276,451,428,313,664 - Step 5: Solve for x
x = 470,276,451,428,313,664/761,036,943.24 - Step 6: Final answer
x = 617,941,685.49
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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.