Finding the Fourth Proportional to 453,236,328,280.74, 625,474,838,925.63 and 247,478,725,761.42
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Solution
The fourth proportional to 453,236,328,280.74, 625,474,838,925.63 and 247,478,725,761.42 is: 341,525,395,195.74
Step by Step Solution
- Step 1: Write the proportion equation
453,236,328,280.74 : 625,474,838,925.63 = 247,478,725,761.42 : x - Step 2: Convert to fraction form
453,236,328,280.74/625,474,838,925.63 = 247,478,725,761.42/x - Step 3: Cross multiply
453,236,328,280.74x = 625,474,838,925.63 × 247,478,725,761.42 - Step 4: Simplify right side
453,236,328,280.74x = 154,791,716,133,144,331,550,720 - Step 5: Solve for x
x = 154,791,716,133,144,331,550,720/453,236,328,280.74 - Step 6: Final answer
x = 341,525,395,195.74
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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.