Finding the Fourth Proportional to 1,864,628,019.48, 2,573,186,278.90 and 1,029,252,368.68
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Solution
The fourth proportional to 1,864,628,019.48, 2,573,186,278.90 and 1,029,252,368.68 is: 1,420,368,054.62
Step by Step Solution
- Step 1: Write the proportion equation
1,864,628,019.48 : 2,573,186,278.90 = 1,029,252,368.68 : x - Step 2: Convert to fraction form
1,864,628,019.48/2,573,186,278.90 = 1,029,252,368.68/x - Step 3: Cross multiply
1,864,628,019.48x = 2,573,186,278.90 × 1,029,252,368.68 - Step 4: Simplify right side
1,864,628,019.48x = 2,648,458,072,612,700,160 - Step 5: Solve for x
x = 2,648,458,072,612,700,160/1,864,628,019.48 - Step 6: Final answer
x = 1,420,368,054.62
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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.