Finding the Fourth Proportional to 1,939,368,237.74, 2,909,052,395.22 and 465,508,046.99
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Solution
The fourth proportional to 1,939,368,237.74, 2,909,052,395.22 and 465,508,046.99 is: 698,262,079.75
Step by Step Solution
- Step 1: Write the proportion equation
1,939,368,237.74 : 2,909,052,395.22 = 465,508,046.99 : x - Step 2: Convert to fraction form
1,939,368,237.74/2,909,052,395.22 = 465,508,046.99/x - Step 3: Cross multiply
1,939,368,237.74x = 2,909,052,395.22 × 465,508,046.99 - Step 4: Simplify right side
1,939,368,237.74x = 1,354,187,299,075,898,368 - Step 5: Solve for x
x = 1,354,187,299,075,898,368/1,939,368,237.74 - Step 6: Final answer
x = 698,262,079.75
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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.