Finding the Fourth Proportional to 1,212,997,318.32, 1,822,695,407.99 and 653,173,050.96
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Solution
The fourth proportional to 1,212,997,318.32, 1,822,695,407.99 and 653,173,050.96 is: 981,482,401.18
Step by Step Solution
- Step 1: Write the proportion equation
1,212,997,318.32 : 1,822,695,407.99 = 653,173,050.96 : x - Step 2: Convert to fraction form
1,212,997,318.32/1,822,695,407.99 = 653,173,050.96/x - Step 3: Cross multiply
1,212,997,318.32x = 1,822,695,407.99 × 653,173,050.96 - Step 4: Simplify right side
1,212,997,318.32x = 1,190,535,520,607,610,368 - Step 5: Solve for x
x = 1,190,535,520,607,610,368/1,212,997,318.32 - Step 6: Final answer
x = 981,482,401.18
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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.