Finding the Fourth Proportional to 419,794,710.84, 579,244,954.14 and 243,542,303.19
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Solution
The fourth proportional to 419,794,710.84, 579,244,954.14 and 243,542,303.19 is: 336,046,754.76
Step by Step Solution
- Step 1: Write the proportion equation
419,794,710.84 : 579,244,954.14 = 243,542,303.19 : x - Step 2: Convert to fraction form
419,794,710.84/579,244,954.14 = 243,542,303.19/x - Step 3: Cross multiply
419,794,710.84x = 579,244,954.14 × 243,542,303.19 - Step 4: Simplify right side
419,794,710.84x = 141,070,650,242,441,520 - Step 5: Solve for x
x = 141,070,650,242,441,520/419,794,710.84 - Step 6: Final answer
x = 336,046,754.76
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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.