Finding the Fourth Proportional to 3,651,937,608,777.40, 5,039,772,316,281 and 2,148,620,713,811.80
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Solution
The fourth proportional to 3,651,937,608,777.40, 5,039,772,316,281 and 2,148,620,713,811.80 is: 2,965,154,488,299.66
Step by Step Solution
- Step 1: Write the proportion equation
3,651,937,608,777.40 : 5,039,772,316,281 = 2,148,620,713,811.80 : x - Step 2: Convert to fraction form
3,651,937,608,777.40/5,039,772,316,281 = 2,148,620,713,811.80/x - Step 3: Cross multiply
3,651,937,608,777.40x = 5,039,772,316,281 × 2,148,620,713,811.80 - Step 4: Simplify right side
3,651,937,608,777.40x = 10,828,559,191,656,630,522,478,592 - Step 5: Solve for x
x = 10,828,559,191,656,630,522,478,592/3,651,937,608,777.40 - Step 6: Final answer
x = 2,965,154,488,299.66
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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.