Finding the Fourth Proportional to 2,919,340,376.36, 4,028,657,646.66 and 1,581,197,175.08
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Solution
The fourth proportional to 2,919,340,376.36, 4,028,657,646.66 and 1,581,197,175.08 is: 2,182,034,730.12
Step by Step Solution
- Step 1: Write the proportion equation
2,919,340,376.36 : 4,028,657,646.66 = 1,581,197,175.08 : x - Step 2: Convert to fraction form
2,919,340,376.36/4,028,657,646.66 = 1,581,197,175.08/x - Step 3: Cross multiply
2,919,340,376.36x = 4,028,657,646.66 × 1,581,197,175.08 - Step 4: Simplify right side
2,919,340,376.36x = 6,370,102,090,263,232,512 - Step 5: Solve for x
x = 6,370,102,090,263,232,512/2,919,340,376.36 - Step 6: Final answer
x = 2,182,034,730.12
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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.