Finding the Fourth Proportional to 868,245,847.92, 1,301,636,612.58 and 376,588,816.42
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Solution
The fourth proportional to 868,245,847.92, 1,301,636,612.58 and 376,588,816.42 is: 564,565,661.34
Step by Step Solution
- Step 1: Write the proportion equation
868,245,847.92 : 1,301,636,612.58 = 376,588,816.42 : x - Step 2: Convert to fraction form
868,245,847.92/1,301,636,612.58 = 376,588,816.42/x - Step 3: Cross multiply
868,245,847.92x = 1,301,636,612.58 × 376,588,816.42 - Step 4: Simplify right side
868,245,847.92x = 490,181,791,340,440,256 - Step 5: Solve for x
x = 490,181,791,340,440,256/868,245,847.92 - Step 6: Final answer
x = 564,565,661.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.