Finding the Fourth Proportional to 991,856,059.84, 1,368,773,954.04 and 545,870,772.64
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Solution
The fourth proportional to 991,856,059.84, 1,368,773,954.04 and 545,870,772.64 is: 753,308,595.99
Step by Step Solution
- Step 1: Write the proportion equation
991,856,059.84 : 1,368,773,954.04 = 545,870,772.64 : x - Step 2: Convert to fraction form
991,856,059.84/1,368,773,954.04 = 545,870,772.64/x - Step 3: Cross multiply
991,856,059.84x = 1,368,773,954.04 × 545,870,772.64 - Step 4: Simplify right side
991,856,059.84x = 747,173,695,861,322,624 - Step 5: Solve for x
x = 747,173,695,861,322,624/991,856,059.84 - Step 6: Final answer
x = 753,308,595.99
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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.