Finding the Fourth Proportional to 1,097,889,189.72, 1,646,926,786.75 and 351,012,637.14
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Solution
The fourth proportional to 1,097,889,189.72, 1,646,926,786.75 and 351,012,637.14 is: 526,548,689.98
Step by Step Solution
- Step 1: Write the proportion equation
1,097,889,189.72 : 1,646,926,786.75 = 351,012,637.14 : x - Step 2: Convert to fraction form
1,097,889,189.72/1,646,926,786.75 = 351,012,637.14/x - Step 3: Cross multiply
1,097,889,189.72x = 1,646,926,786.75 × 351,012,637.14 - Step 4: Simplify right side
1,097,889,189.72x = 578,092,114,593,623,936 - Step 5: Solve for x
x = 578,092,114,593,623,936/1,097,889,189.72 - Step 6: Final answer
x = 526,548,689.98
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.