Finding the Fourth Proportional to 449,055,492.08, 619,689,984.02 and 250,819,879.84
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Solution
The fourth proportional to 449,055,492.08, 619,689,984.02 and 250,819,879.84 is: 346,127,750.51
Step by Step Solution
- Step 1: Write the proportion equation
449,055,492.08 : 619,689,984.02 = 250,819,879.84 : x - Step 2: Convert to fraction form
449,055,492.08/619,689,984.02 = 250,819,879.84/x - Step 3: Cross multiply
449,055,492.08x = 619,689,984.02 × 250,819,879.84 - Step 4: Simplify right side
449,055,492.08x = 155,430,567,329,947,904 - Step 5: Solve for x
x = 155,430,567,329,947,904/449,055,492.08 - Step 6: Final answer
x = 346,127,750.51
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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.