Finding the Fourth Proportional to 888,577,477.94, 1,225,646,480.07 and 571,438,679.54
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Solution
The fourth proportional to 888,577,477.94, 1,225,646,480.07 and 571,438,679.54 is: 788,205,669.79
Step by Step Solution
- Step 1: Write the proportion equation
888,577,477.94 : 1,225,646,480.07 = 571,438,679.54 : x - Step 2: Convert to fraction form
888,577,477.94/1,225,646,480.07 = 571,438,679.54/x - Step 3: Cross multiply
888,577,477.94x = 1,225,646,480.07 × 571,438,679.54 - Step 4: Simplify right side
888,577,477.94x = 700,381,806,157,113,856 - Step 5: Solve for x
x = 700,381,806,157,113,856/888,577,477.94 - Step 6: Final answer
x = 788,205,669.79
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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.