Finding the Fourth Proportional to 741,973,984,719.68, 1,112,323,555,691.60 and 257,865,309,057.53
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Solution
The fourth proportional to 741,973,984,719.68, 1,112,323,555,691.60 and 257,865,309,057.53 is: 386,576,434,440.29
Step by Step Solution
- Step 1: Write the proportion equation
741,973,984,719.68 : 1,112,323,555,691.60 = 257,865,309,057.53 : x - Step 2: Convert to fraction form
741,973,984,719.68/1,112,323,555,691.60 = 257,865,309,057.53/x - Step 3: Cross multiply
741,973,984,719.68x = 1,112,323,555,691.60 × 257,865,309,057.53 - Step 4: Simplify right side
741,973,984,719.68x = 286,829,657,460,385,144,373,248 - Step 5: Solve for x
x = 286,829,657,460,385,144,373,248/741,973,984,719.68 - Step 6: Final answer
x = 386,576,434,440.29
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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.