Finding the Fourth Proportional to 4,702,346,909.45, 6,489,239,794.29 and 2,587,802,853.76
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Solution
The fourth proportional to 4,702,346,909.45, 6,489,239,794.29 and 2,587,802,853.76 is: 3,571,168,521.12
Step by Step Solution
- Step 1: Write the proportion equation
4,702,346,909.45 : 6,489,239,794.29 = 2,587,802,853.76 : x - Step 2: Convert to fraction form
4,702,346,909.45/6,489,239,794.29 = 2,587,802,853.76/x - Step 3: Cross multiply
4,702,346,909.45x = 6,489,239,794.29 × 2,587,802,853.76 - Step 4: Simplify right side
4,702,346,909.45x = 16,792,873,258,396,618,752 - Step 5: Solve for x
x = 16,792,873,258,396,618,752/4,702,346,909.45 - Step 6: Final answer
x = 3,571,168,521.12
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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.