Finding the Fourth Proportional to 883,760,999.36, 1,219,644,616.06 and 487,282,762.82
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Solution
The fourth proportional to 883,760,999.36, 1,219,644,616.06 and 487,282,762.82 is: 672,480,227.80
Step by Step Solution
- Step 1: Write the proportion equation
883,760,999.36 : 1,219,644,616.06 = 487,282,762.82 : x - Step 2: Convert to fraction form
883,760,999.36/1,219,644,616.06 = 487,282,762.82/x - Step 3: Cross multiply
883,760,999.36x = 1,219,644,616.06 × 487,282,762.82 - Step 4: Simplify right side
883,760,999.36x = 594,311,798,172,254,848 - Step 5: Solve for x
x = 594,311,798,172,254,848/883,760,999.36 - Step 6: Final answer
x = 672,480,227.80
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1.5x scale
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.