Finding the Fourth Proportional to 6,138,340,055.36, 8,468,975,565.60 and 3,756,995,420.48
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Solution
The fourth proportional to 6,138,340,055.36, 8,468,975,565.60 and 3,756,995,420.48 is: 5,183,470,144.89
Step by Step Solution
- Step 1: Write the proportion equation
6,138,340,055.36 : 8,468,975,565.60 = 3,756,995,420.48 : x - Step 2: Convert to fraction form
6,138,340,055.36/8,468,975,565.60 = 3,756,995,420.48/x - Step 3: Cross multiply
6,138,340,055.36x = 8,468,975,565.60 × 3,756,995,420.48 - Step 4: Simplify right side
6,138,340,055.36x = 31,817,902,416,116,219,904 - Step 5: Solve for x
x = 31,817,902,416,116,219,904/6,138,340,055.36 - Step 6: Final answer
x = 5,183,470,144.89
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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.