Finding the Fourth Proportional to 1,765,521,368.90, 2,648,282,053.35 and 1,571,651,692.10
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Solution
The fourth proportional to 1,765,521,368.90, 2,648,282,053.35 and 1,571,651,692.10 is: 2,357,477,538.15
Step by Step Solution
- Step 1: Write the proportion equation
1,765,521,368.90 : 2,648,282,053.35 = 1,571,651,692.10 : x - Step 2: Convert to fraction form
1,765,521,368.90/2,648,282,053.35 = 1,571,651,692.10/x - Step 3: Cross multiply
1,765,521,368.90x = 2,648,282,053.35 × 1,571,651,692.10 - Step 4: Simplify right side
1,765,521,368.90x = 4,162,176,970,305,589,760 - Step 5: Solve for x
x = 4,162,176,970,305,589,760/1,765,521,368.90 - Step 6: Final answer
x = 2,357,477,538.15
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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.