Finding the Fourth Proportional to 1,058,489,657.83, 1,460,716,938.81 and 588,580,889.68
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Solution
The fourth proportional to 1,058,489,657.83, 1,460,716,938.81 and 588,580,889.68 is: 812,242,301.15
Step by Step Solution
- Step 1: Write the proportion equation
1,058,489,657.83 : 1,460,716,938.81 = 588,580,889.68 : x - Step 2: Convert to fraction form
1,058,489,657.83/1,460,716,938.81 = 588,580,889.68/x - Step 3: Cross multiply
1,058,489,657.83x = 1,460,716,938.81 × 588,580,889.68 - Step 4: Simplify right side
1,058,489,657.83x = 859,750,075,415,435,776 - Step 5: Solve for x
x = 859,750,075,415,435,776/1,058,489,657.83 - Step 6: Final answer
x = 812,242,301.15
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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.