Finding the Fourth Proportional to 3,779,139,214.40, 5,668,708,821.60 and 3,756,180,963.20
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Solution
The fourth proportional to 3,779,139,214.40, 5,668,708,821.60 and 3,756,180,963.20 is: 5,634,271,444.80
Step by Step Solution
- Step 1: Write the proportion equation
3,779,139,214.40 : 5,668,708,821.60 = 3,756,180,963.20 : x - Step 2: Convert to fraction form
3,779,139,214.40/5,668,708,821.60 = 3,756,180,963.20/x - Step 3: Cross multiply
3,779,139,214.40x = 5,668,708,821.60 × 3,756,180,963.20 - Step 4: Simplify right side
3,779,139,214.40x = 21,292,696,161,617,825,792 - Step 5: Solve for x
x = 21,292,696,161,617,825,792/3,779,139,214.40 - Step 6: Final answer
x = 5,634,271,444.80
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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.