Finding the Fourth Proportional to 1,130,330,515.18, 1,559,857,404.14 and 628,528,524.96
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Solution
The fourth proportional to 1,130,330,515.18, 1,559,857,404.14 and 628,528,524.96 is: 867,370,083.54
Step by Step Solution
- Step 1: Write the proportion equation
1,130,330,515.18 : 1,559,857,404.14 = 628,528,524.96 : x - Step 2: Convert to fraction form
1,130,330,515.18/1,559,857,404.14 = 628,528,524.96/x - Step 3: Cross multiply
1,130,330,515.18x = 1,559,857,404.14 × 628,528,524.96 - Step 4: Simplify right side
1,130,330,515.18x = 980,414,873,377,159,552 - Step 5: Solve for x
x = 980,414,873,377,159,552/1,130,330,515.18 - Step 6: Final answer
x = 867,370,083.54
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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.