Finding the Fourth Proportional to 1,120,054,846.60, 1,681,593,924.30 and 890,283,377.80
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Solution
The fourth proportional to 1,120,054,846.60, 1,681,593,924.30 and 890,283,377.80 is: 1,336,626,615.70
Step by Step Solution
- Step 1: Write the proportion equation
1,120,054,846.60 : 1,681,593,924.30 = 890,283,377.80 : x - Step 2: Convert to fraction form
1,120,054,846.60/1,681,593,924.30 = 890,283,377.80/x - Step 3: Cross multiply
1,120,054,846.60x = 1,681,593,924.30 × 890,283,377.80 - Step 4: Simplify right side
1,120,054,846.60x = 1,497,095,119,013,761,280 - Step 5: Solve for x
x = 1,497,095,119,013,761,280/1,120,054,846.60 - Step 6: Final answer
x = 1,336,626,615.70
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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.