Finding the Fourth Proportional to 401,130,496.14, 553,356,357.71 and 261,982,708.62
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Solution
The fourth proportional to 401,130,496.14, 553,356,357.71 and 261,982,708.62 is: 361,403,081.59
Step by Step Solution
- Step 1: Write the proportion equation
401,130,496.14 : 553,356,357.71 = 261,982,708.62 : x - Step 2: Convert to fraction form
401,130,496.14/553,356,357.71 = 261,982,708.62/x - Step 3: Cross multiply
401,130,496.14x = 553,356,357.71 × 261,982,708.62 - Step 4: Simplify right side
401,130,496.14x = 144,969,797,423,653,536 - Step 5: Solve for x
x = 144,969,797,423,653,536/401,130,496.14 - Step 6: Final answer
x = 361,403,081.59
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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.