Finding the Fourth Proportional to 825,658,842.24, 1,139,409,426.24 and 454,380,814.08
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Solution
The fourth proportional to 825,658,842.24, 1,139,409,426.24 and 454,380,814.08 is: 627,045,646.68
Step by Step Solution
- Step 1: Write the proportion equation
825,658,842.24 : 1,139,409,426.24 = 454,380,814.08 : x - Step 2: Convert to fraction form
825,658,842.24/1,139,409,426.24 = 454,380,814.08/x - Step 3: Cross multiply
825,658,842.24x = 1,139,409,426.24 × 454,380,814.08 - Step 4: Simplify right side
825,658,842.24x = 517,725,782,665,356,928 - Step 5: Solve for x
x = 517,725,782,665,356,928/825,658,842.24 - Step 6: Final answer
x = 627,045,646.68
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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.