Finding the Fourth Proportional to 1,119,744,154.80, 1,679,616,232.20 and 942,376,705.20
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Solution
The fourth proportional to 1,119,744,154.80, 1,679,616,232.20 and 942,376,705.20 is: 1,413,565,057.80
Step by Step Solution
- Step 1: Write the proportion equation
1,119,744,154.80 : 1,679,616,232.20 = 942,376,705.20 : x - Step 2: Convert to fraction form
1,119,744,154.80/1,679,616,232.20 = 942,376,705.20/x - Step 3: Cross multiply
1,119,744,154.80x = 1,679,616,232.20 × 942,376,705.20 - Step 4: Simplify right side
1,119,744,154.80x = 1,582,831,210,901,074,176 - Step 5: Solve for x
x = 1,582,831,210,901,074,176/1,119,744,154.80 - Step 6: Final answer
x = 1,413,565,057.80
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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.