Finding the Fourth Proportional to 639,151,198.20, 882,637,815.99 and 604,330,683.54
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Solution
The fourth proportional to 639,151,198.20, 882,637,815.99 and 604,330,683.54 is: 834,552,319.01
Step by Step Solution
- Step 1: Write the proportion equation
639,151,198.20 : 882,637,815.99 = 604,330,683.54 : x - Step 2: Convert to fraction form
639,151,198.20/882,637,815.99 = 604,330,683.54/x - Step 3: Cross multiply
639,151,198.20x = 882,637,815.99 × 604,330,683.54 - Step 4: Simplify right side
639,151,198.20x = 533,405,114,655,489,408 - Step 5: Solve for x
x = 533,405,114,655,489,408/639,151,198.20 - Step 6: Final answer
x = 834,552,319.01
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1.5x scale
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.