Finding the Fourth Proportional to 1,475,119,634.80, 2,212,679,452.20 and 740,455,596.40
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Solution
The fourth proportional to 1,475,119,634.80, 2,212,679,452.20 and 740,455,596.40 is: 1,110,683,394.60
Step by Step Solution
- Step 1: Write the proportion equation
1,475,119,634.80 : 2,212,679,452.20 = 740,455,596.40 : x - Step 2: Convert to fraction form
1,475,119,634.80/2,212,679,452.20 = 740,455,596.40/x - Step 3: Cross multiply
1,475,119,634.80x = 2,212,679,452.20 × 740,455,596.40 - Step 4: Simplify right side
1,475,119,634.80x = 1,638,390,883,420,776,192 - Step 5: Solve for x
x = 1,638,390,883,420,776,192/1,475,119,634.80 - Step 6: Final answer
x = 1,110,683,394.60
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1.5x scale
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.