Finding the Fourth Proportional to 2,645,700,121.42, 3,651,037,193.53 and 1,456,243,659.34
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Solution
The fourth proportional to 2,645,700,121.42, 3,651,037,193.53 and 1,456,243,659.34 is: 2,009,600,302.03
Step by Step Solution
- Step 1: Write the proportion equation
2,645,700,121.42 : 3,651,037,193.53 = 1,456,243,659.34 : x - Step 2: Convert to fraction form
2,645,700,121.42/3,651,037,193.53 = 1,456,243,659.34/x - Step 3: Cross multiply
2,645,700,121.42x = 3,651,037,193.53 × 1,456,243,659.34 - Step 4: Simplify right side
2,645,700,121.42x = 5,316,799,763,092,571,136 - Step 5: Solve for x
x = 5,316,799,763,092,571,136/2,645,700,121.42 - Step 6: Final answer
x = 2,009,600,302.03
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1.5x scale
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.