Finding the Fourth Proportional to 1,573,614,152.55, 2,172,567,569.09 and 1,001,719,888.49
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Solution
The fourth proportional to 1,573,614,152.55, 2,172,567,569.09 and 1,001,719,888.49 is: 1,382,997,311.96
Step by Step Solution
- Step 1: Write the proportion equation
1,573,614,152.55 : 2,172,567,569.09 = 1,001,719,888.49 : x - Step 2: Convert to fraction form
1,573,614,152.55/2,172,567,569.09 = 1,001,719,888.49/x - Step 3: Cross multiply
1,573,614,152.55x = 2,172,567,569.09 × 1,001,719,888.49 - Step 4: Simplify right side
1,573,614,152.55x = 2,176,304,143,046,247,936 - Step 5: Solve for x
x = 2,176,304,143,046,247,936/1,573,614,152.55 - Step 6: Final answer
x = 1,382,997,311.96
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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.