Finding the Fourth Proportional to 835,011,538.11, 1,252,509,331.77 and 507,577,455.63
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Solution
The fourth proportional to 835,011,538.11, 1,252,509,331.77 and 507,577,455.63 is: 761,361,335.45
Step by Step Solution
- Step 1: Write the proportion equation
835,011,538.11 : 1,252,509,331.77 = 507,577,455.63 : x - Step 2: Convert to fraction form
835,011,538.11/1,252,509,331.77 = 507,577,455.63/x - Step 3: Cross multiply
835,011,538.11x = 1,252,509,331.77 × 507,577,455.63 - Step 4: Simplify right side
835,011,538.11x = 635,745,499,772,648,064 - Step 5: Solve for x
x = 635,745,499,772,648,064/835,011,538.11 - Step 6: Final answer
x = 761,361,335.45
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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.