Finding the Fourth Proportional to 725,484,574.08, 1,001,130,937.20 and 412,175,304
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Solution
The fourth proportional to 725,484,574.08, 1,001,130,937.20 and 412,175,304 is: 568,780,458.09
Step by Step Solution
- Step 1: Write the proportion equation
725,484,574.08 : 1,001,130,937.20 = 412,175,304 : x - Step 2: Convert to fraction form
725,484,574.08/1,001,130,937.20 = 412,175,304/x - Step 3: Cross multiply
725,484,574.08x = 1,001,130,937.20 × 412,175,304 - Step 4: Simplify right side
725,484,574.08x = 412,641,448,384,214,912 - Step 5: Solve for x
x = 412,641,448,384,214,912/725,484,574.08 - Step 6: Final answer
x = 568,780,458.09
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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.