Finding the Fourth Proportional to 1,346,525,175,467.80, 1,858,181,774,929.30 and 729,222,879,493.68
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Solution
The fourth proportional to 1,346,525,175,467.80, 1,858,181,774,929.30 and 729,222,879,493.68 is: 1,006,315,135,597.72
Step by Step Solution
- Step 1: Write the proportion equation
1,346,525,175,467.80 : 1,858,181,774,929.30 = 729,222,879,493.68 : x - Step 2: Convert to fraction form
1,346,525,175,467.80/1,858,181,774,929.30 = 729,222,879,493.68/x - Step 3: Cross multiply
1,346,525,175,467.80x = 1,858,181,774,929.30 × 729,222,879,493.68 - Step 4: Simplify right side
1,346,525,175,467.80x = 1,355,028,664,536,621,356,417,024 - Step 5: Solve for x
x = 1,355,028,664,536,621,356,417,024/1,346,525,175,467.80 - Step 6: Final answer
x = 1,006,315,135,597.72
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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.