Finding the Fourth Proportional to 447,620,932, 671,400,579.12 and 275,124,368.80
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Solution
The fourth proportional to 447,620,932, 671,400,579.12 and 275,124,368.80 is: 412,667,610.78
Step by Step Solution
- Step 1: Write the proportion equation
447,620,932 : 671,400,579.12 = 275,124,368.80 : x - Step 2: Convert to fraction form
447,620,932/671,400,579.12 = 275,124,368.80/x - Step 3: Cross multiply
447,620,932x = 671,400,579.12 × 275,124,368.80 - Step 4: Simplify right side
447,620,932x = 184,718,660,542,344,480 - Step 5: Solve for x
x = 184,718,660,542,344,480/447,620,932 - Step 6: Final answer
x = 412,667,610.78
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.