Finding the Fourth Proportional to 918,201,649.80, 1,377,302,474.70 and 882,488,814.60
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Solution
The fourth proportional to 918,201,649.80, 1,377,302,474.70 and 882,488,814.60 is: 1,323,733,221.90
Step by Step Solution
- Step 1: Write the proportion equation
918,201,649.80 : 1,377,302,474.70 = 882,488,814.60 : x - Step 2: Convert to fraction form
918,201,649.80/1,377,302,474.70 = 882,488,814.60/x - Step 3: Cross multiply
918,201,649.80x = 1,377,302,474.70 × 882,488,814.60 - Step 4: Simplify right side
918,201,649.80x = 1,215,454,028,243,649,536 - Step 5: Solve for x
x = 1,215,454,028,243,649,536/918,201,649.80 - Step 6: Final answer
x = 1,323,733,221.90
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1.5x scale
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.