Finding the Fourth Proportional to 867,512,365.07, 1,197,133,486.97 and 471,026,279.93
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Solution
The fourth proportional to 867,512,365.07, 1,197,133,486.97 and 471,026,279.93 is: 649,998,035.36
Step by Step Solution
- Step 1: Write the proportion equation
867,512,365.07 : 1,197,133,486.97 = 471,026,279.93 : x - Step 2: Convert to fraction form
867,512,365.07/1,197,133,486.97 = 471,026,279.93/x - Step 3: Cross multiply
867,512,365.07x = 1,197,133,486.97 × 471,026,279.93 - Step 4: Simplify right side
867,512,365.07x = 563,881,332,938,767,424 - Step 5: Solve for x
x = 563,881,332,938,767,424/867,512,365.07 - Step 6: Final answer
x = 649,998,035.36
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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.