Finding the Fourth Proportional to 7,455,540,628.79, 10,288,864,726.74 and 4,068,668,599.59
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Solution
The fourth proportional to 7,455,540,628.79, 10,288,864,726.74 and 4,068,668,599.59 is: 5,614,881,994.94
Step by Step Solution
- Step 1: Write the proportion equation
7,455,540,628.79 : 10,288,864,726.74 = 4,068,668,599.59 : x - Step 2: Convert to fraction form
7,455,540,628.79/10,288,864,726.74 = 4,068,668,599.59/x - Step 3: Cross multiply
7,455,540,628.79x = 10,288,864,726.74 × 4,068,668,599.59 - Step 4: Simplify right side
7,455,540,628.79x = 41,861,980,839,116,185,600 - Step 5: Solve for x
x = 41,861,980,839,116,185,600/7,455,540,628.79 - Step 6: Final answer
x = 5,614,881,994.94
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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.