Finding the Fourth Proportional to 1,748,084,136.60, 2,621,790,281.70 and 521,292,610.20
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Solution
The fourth proportional to 1,748,084,136.60, 2,621,790,281.70 and 521,292,610.20 is: 781,838,740.33
Step by Step Solution
- Step 1: Write the proportion equation
1,748,084,136.60 : 2,621,790,281.70 = 521,292,610.20 : x - Step 2: Convert to fraction form
1,748,084,136.60/2,621,790,281.70 = 521,292,610.20/x - Step 3: Cross multiply
1,748,084,136.60x = 2,621,790,281.70 × 521,292,610.20 - Step 4: Simplify right side
1,748,084,136.60x = 1,366,719,899,344,386,048 - Step 5: Solve for x
x = 1,366,719,899,344,386,048/1,748,084,136.60 - Step 6: Final answer
x = 781,838,740.33
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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.