Finding the Fourth Proportional to 1,939,368,504.04, 2,909,052,794.51 and 465,508,312.95
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Solution
The fourth proportional to 1,939,368,504.04, 2,909,052,794.51 and 465,508,312.95 is: 698,262,478.65
Step by Step Solution
- Step 1: Write the proportion equation
1,939,368,504.04 : 2,909,052,794.51 = 465,508,312.95 : x - Step 2: Convert to fraction form
1,939,368,504.04/2,909,052,794.51 = 465,508,312.95/x - Step 3: Cross multiply
1,939,368,504.04x = 2,909,052,794.51 × 465,508,312.95 - Step 4: Simplify right side
1,939,368,504.04x = 1,354,188,258,645,232,896 - Step 5: Solve for x
x = 1,354,188,258,645,232,896/1,939,368,504.04 - Step 6: Final answer
x = 698,262,478.65
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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.