Finding the Fourth Proportional to 922,295,976.48, 1,272,642,746.04 and 550,939,177.44
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Solution
The fourth proportional to 922,295,976.48, 1,272,642,746.04 and 550,939,177.44 is: 760,220,976.30
Step by Step Solution
- Step 1: Write the proportion equation
922,295,976.48 : 1,272,642,746.04 = 550,939,177.44 : x - Step 2: Convert to fraction form
922,295,976.48/1,272,642,746.04 = 550,939,177.44/x - Step 3: Cross multiply
922,295,976.48x = 1,272,642,746.04 × 550,939,177.44 - Step 4: Simplify right side
922,295,976.48x = 701,148,747,678,260,480 - Step 5: Solve for x
x = 701,148,747,678,260,480/922,295,976.48 - Step 6: Final answer
x = 760,220,976.30
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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.