Finding the Fourth Proportional to 1,058,489,661.84, 1,460,716,944.34 and 588,580,893.68
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Solution
The fourth proportional to 1,058,489,661.84, 1,460,716,944.34 and 588,580,893.68 is: 812,242,306.66
Step by Step Solution
- Step 1: Write the proportion equation
1,058,489,661.84 : 1,460,716,944.34 = 588,580,893.68 : x - Step 2: Convert to fraction form
1,058,489,661.84/1,460,716,944.34 = 588,580,893.68/x - Step 3: Cross multiply
1,058,489,661.84x = 1,460,716,944.34 × 588,580,893.68 - Step 4: Simplify right side
1,058,489,661.84x = 859,750,084,513,155,840 - Step 5: Solve for x
x = 859,750,084,513,155,840/1,058,489,661.84 - Step 6: Final answer
x = 812,242,306.66
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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.