Finding the Fourth Proportional to 1,219,203,329.28, 1,682,546,844.63 and 683,364,898
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Solution
The fourth proportional to 1,219,203,329.28, 1,682,546,844.63 and 683,364,898 is: 943,069,482.54
Step by Step Solution
- Step 1: Write the proportion equation
1,219,203,329.28 : 1,682,546,844.63 = 683,364,898 : x - Step 2: Convert to fraction form
1,219,203,329.28/1,682,546,844.63 = 683,364,898/x - Step 3: Cross multiply
1,219,203,329.28x = 1,682,546,844.63 × 683,364,898 - Step 4: Simplify right side
1,219,203,329.28x = 1,149,793,452,860,801,920 - Step 5: Solve for x
x = 1,149,793,452,860,801,920/1,219,203,329.28 - Step 6: Final answer
x = 943,069,482.54
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.