Finding the Fourth Proportional to 360,878,337.08, 497,955,220.39 and 210,195,791.80
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Solution
The fourth proportional to 360,878,337.08, 497,955,220.39 and 210,195,791.80 is: 290,037,059.80
Step by Step Solution
- Step 1: Write the proportion equation
360,878,337.08 : 497,955,220.39 = 210,195,791.80 : x - Step 2: Convert to fraction form
360,878,337.08/497,955,220.39 = 210,195,791.80/x - Step 3: Cross multiply
360,878,337.08x = 497,955,220.39 × 210,195,791.80 - Step 4: Simplify right side
360,878,337.08x = 104,668,091,830,819,552 - Step 5: Solve for x
x = 104,668,091,830,819,552/360,878,337.08 - Step 6: Final answer
x = 290,037,059.80
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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.