Finding the Fourth Proportional to 815,762,341.44, 1,125,752,192.64 and 444,484,373.04
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Solution
The fourth proportional to 815,762,341.44, 1,125,752,192.64 and 444,484,373.04 is: 613,388,522.77
Step by Step Solution
- Step 1: Write the proportion equation
815,762,341.44 : 1,125,752,192.64 = 444,484,373.04 : x - Step 2: Convert to fraction form
815,762,341.44/1,125,752,192.64 = 444,484,373.04/x - Step 3: Cross multiply
815,762,341.44x = 1,125,752,192.64 × 444,484,373.04 - Step 4: Simplify right side
815,762,341.44x = 500,379,257,543,995,776 - Step 5: Solve for x
x = 500,379,257,543,995,776/815,762,341.44 - Step 6: Final answer
x = 613,388,522.77
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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.