Finding the Fourth Proportional to 657,210,716.16, 984,363,005.46 and 449,456,779.68
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Solution
The fourth proportional to 657,210,716.16, 984,363,005.46 and 449,456,779.68 is: 673,191,437.07
Step by Step Solution
- Step 1: Write the proportion equation
657,210,716.16 : 984,363,005.46 = 449,456,779.68 : x - Step 2: Convert to fraction form
657,210,716.16/984,363,005.46 = 449,456,779.68/x - Step 3: Cross multiply
657,210,716.16x = 984,363,005.46 × 449,456,779.68 - Step 4: Simplify right side
657,210,716.16x = 442,428,626,470,177,856 - Step 5: Solve for x
x = 442,428,626,470,177,856/657,210,716.16 - Step 6: Final answer
x = 673,191,437.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.