Finding the Fourth Proportional to 1,730,919,185.62, 2,596,398,723.87 and 625,607,985.94
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Solution
The fourth proportional to 1,730,919,185.62, 2,596,398,723.87 and 625,607,985.94 is: 938,419,187.81
Step by Step Solution
- Step 1: Write the proportion equation
1,730,919,185.62 : 2,596,398,723.87 = 625,607,985.94 : x - Step 2: Convert to fraction form
1,730,919,185.62/2,596,398,723.87 = 625,607,985.94/x - Step 3: Cross multiply
1,730,919,185.62x = 2,596,398,723.87 × 625,607,985.94 - Step 4: Simplify right side
1,730,919,185.62x = 1,624,327,776,334,368,768 - Step 5: Solve for x
x = 1,624,327,776,334,368,768/1,730,919,185.62 - Step 6: Final answer
x = 938,419,187.81
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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.