Finding the Fourth Proportional to 549,504,746.90, 824,257,120.35 and 545,678,371.70
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Solution
The fourth proportional to 549,504,746.90, 824,257,120.35 and 545,678,371.70 is: 818,517,557.55
Step by Step Solution
- Step 1: Write the proportion equation
549,504,746.90 : 824,257,120.35 = 545,678,371.70 : x - Step 2: Convert to fraction form
549,504,746.90/824,257,120.35 = 545,678,371.70/x - Step 3: Cross multiply
549,504,746.90x = 824,257,120.35 × 545,678,371.70 - Step 4: Simplify right side
549,504,746.90x = 449,779,283,294,718,976 - Step 5: Solve for x
x = 449,779,283,294,718,976/549,504,746.90 - Step 6: Final answer
x = 818,517,557.55
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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.