Finding the Fourth Proportional to 453,148,240,216.16, 625,341,390,297.68 and 247,382,479,557.54
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Solution
The fourth proportional to 453,148,240,216.16, 625,341,390,297.68 and 247,382,479,557.54 is: 341,386,085,109.82
Step by Step Solution
- Step 1: Write the proportion equation
453,148,240,216.16 : 625,341,390,297.68 = 247,382,479,557.54 : x - Step 2: Convert to fraction form
453,148,240,216.16/625,341,390,297.68 = 247,382,479,557.54/x - Step 3: Cross multiply
453,148,240,216.16x = 625,341,390,297.68 × 247,382,479,557.54 - Step 4: Simplify right side
453,148,240,216.16x = 154,698,503,701,799,486,095,360 - Step 5: Solve for x
x = 154,698,503,701,799,486,095,360/453,148,240,216.16 - Step 6: Final answer
x = 341,386,085,109.82
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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.