Finding the Fourth Proportional to 392,578,029.51, 541,750,652.25 and 213,963,526.59
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Solution
The fourth proportional to 392,578,029.51, 541,750,652.25 and 213,963,526.59 is: 295,265,836.02
Step by Step Solution
- Step 1: Write the proportion equation
392,578,029.51 : 541,750,652.25 = 213,963,526.59 : x - Step 2: Convert to fraction form
392,578,029.51/541,750,652.25 = 213,963,526.59/x - Step 3: Cross multiply
392,578,029.51x = 541,750,652.25 × 213,963,526.59 - Step 4: Simplify right side
392,578,029.51x = 115,914,880,087,842,720 - Step 5: Solve for x
x = 115,914,880,087,842,720/392,578,029.51 - Step 6: Final answer
x = 295,265,836.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.