Finding the Fourth Proportional to 856,286,688.84, 1,181,708,112.38 and 479,950,232.28
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Solution
The fourth proportional to 856,286,688.84, 1,181,708,112.38 and 479,950,232.28 is: 662,349,526.64
Step by Step Solution
- Step 1: Write the proportion equation
856,286,688.84 : 1,181,708,112.38 = 479,950,232.28 : x - Step 2: Convert to fraction form
856,286,688.84/1,181,708,112.38 = 479,950,232.28/x - Step 3: Cross multiply
856,286,688.84x = 1,181,708,112.38 × 479,950,232.28 - Step 4: Simplify right side
856,286,688.84x = 567,161,083,023,941,376 - Step 5: Solve for x
x = 567,161,083,023,941,376/856,286,688.84 - Step 6: Final answer
x = 662,349,526.64
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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.