Finding the Fourth Proportional to 1,058,686,571.88, 1,587,692,943.68 and 349,503,091.40
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Solution
The fourth proportional to 1,058,686,571.88, 1,587,692,943.68 and 349,503,091.40 is: 524,143,411.99
Step by Step Solution
- Step 1: Write the proportion equation
1,058,686,571.88 : 1,587,692,943.68 = 349,503,091.40 : x - Step 2: Convert to fraction form
1,058,686,571.88/1,587,692,943.68 = 349,503,091.40/x - Step 3: Cross multiply
1,058,686,571.88x = 1,587,692,943.68 × 349,503,091.40 - Step 4: Simplify right side
1,058,686,571.88x = 554,903,592,010,126,080 - Step 5: Solve for x
x = 554,903,592,010,126,080/1,058,686,571.88 - Step 6: Final answer
x = 524,143,411.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.