Finding the Fourth Proportional to 1,119,390,106.88, 1,544,763,714.36 and 617,598,863.60
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Solution
The fourth proportional to 1,119,390,106.88, 1,544,763,714.36 and 617,598,863.60 is: 852,289,392.82
Step by Step Solution
- Step 1: Write the proportion equation
1,119,390,106.88 : 1,544,763,714.36 = 617,598,863.60 : x - Step 2: Convert to fraction form
1,119,390,106.88/1,544,763,714.36 = 617,598,863.60/x - Step 3: Cross multiply
1,119,390,106.88x = 1,544,763,714.36 × 617,598,863.60 - Step 4: Simplify right side
1,119,390,106.88x = 954,044,314,519,250,944 - Step 5: Solve for x
x = 954,044,314,519,250,944/1,119,390,106.88 - Step 6: Final answer
x = 852,289,392.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.