Finding the Fourth Proportional to 2,390,677,962.76, 3,578,661,985.18 and 1,559,842,611.40
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Solution
The fourth proportional to 2,390,677,962.76, 3,578,661,985.18 and 1,559,842,611.40 is: 2,334,965,036.38
Step by Step Solution
- Step 1: Write the proportion equation
2,390,677,962.76 : 3,578,661,985.18 = 1,559,842,611.40 : x - Step 2: Convert to fraction form
2,390,677,962.76/3,578,661,985.18 = 1,559,842,611.40/x - Step 3: Cross multiply
2,390,677,962.76x = 3,578,661,985.18 × 1,559,842,611.40 - Step 4: Simplify right side
2,390,677,962.76x = 5,582,149,456,281,079,808 - Step 5: Solve for x
x = 5,582,149,456,281,079,808/2,390,677,962.76 - Step 6: Final answer
x = 2,334,965,036.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.