Finding the Fourth Proportional to 1,430,783,996.80, 2,146,175,995.20 and 1,374,348,899.20
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Solution
The fourth proportional to 1,430,783,996.80, 2,146,175,995.20 and 1,374,348,899.20 is: 2,061,523,348.80
Step by Step Solution
- Step 1: Write the proportion equation
1,430,783,996.80 : 2,146,175,995.20 = 1,374,348,899.20 : x - Step 2: Convert to fraction form
1,430,783,996.80/2,146,175,995.20 = 1,374,348,899.20/x - Step 3: Cross multiply
1,430,783,996.80x = 2,146,175,995.20 × 1,374,348,899.20 - Step 4: Simplify right side
1,430,783,996.80x = 2,949,594,616,492,584,448 - Step 5: Solve for x
x = 2,949,594,616,492,584,448/1,430,783,996.80 - Step 6: Final answer
x = 2,061,523,348.80
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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.