Finding the Fourth Proportional to 883,760,999.84, 1,219,644,616.71 and 487,282,763.29
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Solution
The fourth proportional to 883,760,999.84, 1,219,644,616.71 and 487,282,763.29 is: 672,480,228.44
Step by Step Solution
- Step 1: Write the proportion equation
883,760,999.84 : 1,219,644,616.71 = 487,282,763.29 : x - Step 2: Convert to fraction form
883,760,999.84/1,219,644,616.71 = 487,282,763.29/x - Step 3: Cross multiply
883,760,999.84x = 1,219,644,616.71 × 487,282,763.29 - Step 4: Simplify right side
883,760,999.84x = 594,311,799,062,221,696 - Step 5: Solve for x
x = 594,311,799,062,221,696/883,760,999.84 - Step 6: Final answer
x = 672,480,228.44
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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.