Finding the Fourth Proportional to 3,764,218,927.60, 5,645,130,474.40 and 1,242,677,663.76
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Solution
The fourth proportional to 3,764,218,927.60, 5,645,130,474.40 and 1,242,677,663.76 is: 1,863,621,028.55
Step by Step Solution
- Step 1: Write the proportion equation
3,764,218,927.60 : 5,645,130,474.40 = 1,242,677,663.76 : x - Step 2: Convert to fraction form
3,764,218,927.60/5,645,130,474.40 = 1,242,677,663.76/x - Step 3: Cross multiply
3,764,218,927.60x = 5,645,130,474.40 × 1,242,677,663.76 - Step 4: Simplify right side
3,764,218,927.60x = 7,015,077,549,547,771,904 - Step 5: Solve for x
x = 7,015,077,549,547,771,904/3,764,218,927.60 - Step 6: Final answer
x = 1,863,621,028.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.