Finding the Fourth Proportional to 546,121,425.24, 753,852,515.52 and 357,961,844.79
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Solution
The fourth proportional to 546,121,425.24, 753,852,515.52 and 357,961,844.79 is: 494,121,681.89
Step by Step Solution
- Step 1: Write the proportion equation
546,121,425.24 : 753,852,515.52 = 357,961,844.79 : x - Step 2: Convert to fraction form
546,121,425.24/753,852,515.52 = 357,961,844.79/x - Step 3: Cross multiply
546,121,425.24x = 753,852,515.52 × 357,961,844.79 - Step 4: Simplify right side
546,121,425.24x = 269,850,437,155,121,312 - Step 5: Solve for x
x = 269,850,437,155,121,312/546,121,425.24 - Step 6: Final answer
x = 494,121,681.89
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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.