Finding the Fourth Proportional to 1,119,747,844.80, 1,679,621,767.20 and 1,095,859,972.80
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Solution
The fourth proportional to 1,119,747,844.80, 1,679,621,767.20 and 1,095,859,972.80 is: 1,643,789,959.20
Step by Step Solution
- Step 1: Write the proportion equation
1,119,747,844.80 : 1,679,621,767.20 = 1,095,859,972.80 : x - Step 2: Convert to fraction form
1,119,747,844.80/1,679,621,767.20 = 1,095,859,972.80/x - Step 3: Cross multiply
1,119,747,844.80x = 1,679,621,767.20 × 1,095,859,972.80 - Step 4: Simplify right side
1,119,747,844.80x = 1,840,630,264,118,080,000 - Step 5: Solve for x
x = 1,840,630,264,118,080,000/1,119,747,844.80 - Step 6: Final answer
x = 1,643,789,959.20
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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.