Finding the Fourth Proportional to 2,057,901,282.80, 2,839,929,598.65 and 1,118,119,618.84
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Solution
The fourth proportional to 2,057,901,282.80, 2,839,929,598.65 and 1,118,119,618.84 is: 1,543,019,107.33
Step by Step Solution
- Step 1: Write the proportion equation
2,057,901,282.80 : 2,839,929,598.65 = 1,118,119,618.84 : x - Step 2: Convert to fraction form
2,057,901,282.80/2,839,929,598.65 = 1,118,119,618.84/x - Step 3: Cross multiply
2,057,901,282.80x = 2,839,929,598.65 × 1,118,119,618.84 - Step 4: Simplify right side
2,057,901,282.80x = 3,175,381,000,374,386,688 - Step 5: Solve for x
x = 3,175,381,000,374,386,688/2,057,901,282.80 - Step 6: Final answer
x = 1,543,019,107.33
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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.