Finding the Fourth Proportional to 455,344,890.99, 628,376,152.44 and 246,501,026.88
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Solution
The fourth proportional to 455,344,890.99, 628,376,152.44 and 246,501,026.88 is: 340,171,526.92
Step by Step Solution
- Step 1: Write the proportion equation
455,344,890.99 : 628,376,152.44 = 246,501,026.88 : x - Step 2: Convert to fraction form
455,344,890.99/628,376,152.44 = 246,501,026.88/x - Step 3: Cross multiply
455,344,890.99x = 628,376,152.44 × 246,501,026.88 - Step 4: Simplify right side
455,344,890.99x = 154,895,366,843,363,424 - Step 5: Solve for x
x = 154,895,366,843,363,424/455,344,890.99 - Step 6: Final answer
x = 340,171,526.92
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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.