Finding the Fourth Proportional to 982,361,089.94, 1,356,270,225.86 and 625,330,390.22
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Solution
The fourth proportional to 982,361,089.94, 1,356,270,225.86 and 625,330,390.22 is: 863,345,462.55
Step by Step Solution
- Step 1: Write the proportion equation
982,361,089.94 : 1,356,270,225.86 = 625,330,390.22 : x - Step 2: Convert to fraction form
982,361,089.94/1,356,270,225.86 = 625,330,390.22/x - Step 3: Cross multiply
982,361,089.94x = 1,356,270,225.86 × 625,330,390.22 - Step 4: Simplify right side
982,361,089.94x = 848,116,989,580,801,280 - Step 5: Solve for x
x = 848,116,989,580,801,280/982,361,089.94 - Step 6: Final answer
x = 863,345,462.55
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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.