Finding the Fourth Proportional to 1,596,705,907.20, 2,395,058,860.80 and 908,735,193.60
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Solution
The fourth proportional to 1,596,705,907.20, 2,395,058,860.80 and 908,735,193.60 is: 1,363,102,790.40
Step by Step Solution
- Step 1: Write the proportion equation
1,596,705,907.20 : 2,395,058,860.80 = 908,735,193.60 : x - Step 2: Convert to fraction form
1,596,705,907.20/2,395,058,860.80 = 908,735,193.60/x - Step 3: Cross multiply
1,596,705,907.20x = 2,395,058,860.80 × 908,735,193.60 - Step 4: Simplify right side
1,596,705,907.20x = 2,176,474,277,552,483,584 - Step 5: Solve for x
x = 2,176,474,277,552,483,584/1,596,705,907.20 - Step 6: Final answer
x = 1,363,102,790.40
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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.