Finding the Fourth Proportional to 1,678,873,524.98, 2,516,983,377.01 and 838,084,754.95
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Solution
The fourth proportional to 1,678,873,524.98, 2,516,983,377.01 and 838,084,754.95 is: 1,256,464,745.76
Step by Step Solution
- Step 1: Write the proportion equation
1,678,873,524.98 : 2,516,983,377.01 = 838,084,754.95 : x - Step 2: Convert to fraction form
1,678,873,524.98/2,516,983,377.01 = 838,084,754.95/x - Step 3: Cross multiply
1,678,873,524.98x = 2,516,983,377.01 × 838,084,754.95 - Step 4: Simplify right side
1,678,873,524.98x = 2,109,445,396,730,459,136 - Step 5: Solve for x
x = 2,109,445,396,730,459,136/1,678,873,524.98 - Step 6: Final answer
x = 1,256,464,745.76
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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.