Finding the Fourth Proportional to 4,702,346,919.31, 6,489,239,807.87 and 2,587,802,863.62
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Solution
The fourth proportional to 4,702,346,919.31, 6,489,239,807.87 and 2,587,802,863.62 is: 3,571,168,534.71
Step by Step Solution
- Step 1: Write the proportion equation
4,702,346,919.31 : 6,489,239,807.87 = 2,587,802,863.62 : x - Step 2: Convert to fraction form
4,702,346,919.31/6,489,239,807.87 = 2,587,802,863.62/x - Step 3: Cross multiply
4,702,346,919.31x = 6,489,239,807.87 × 2,587,802,863.62 - Step 4: Simplify right side
4,702,346,919.31x = 16,792,873,357,509,943,296 - Step 5: Solve for x
x = 16,792,873,357,509,943,296/4,702,346,919.31 - Step 6: Final answer
x = 3,571,168,534.71
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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.