Finding the Fourth Proportional to 1,636,704,629.20, 2,455,056,943.80 and 1,120,143,977.20
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Solution
The fourth proportional to 1,636,704,629.20, 2,455,056,943.80 and 1,120,143,977.20 is: 1,680,215,965.80
Step by Step Solution
- Step 1: Write the proportion equation
1,636,704,629.20 : 2,455,056,943.80 = 1,120,143,977.20 : x - Step 2: Convert to fraction form
1,636,704,629.20/2,455,056,943.80 = 1,120,143,977.20/x - Step 3: Cross multiply
1,636,704,629.20x = 2,455,056,943.80 × 1,120,143,977.20 - Step 4: Simplify right side
1,636,704,629.20x = 2,750,017,249,280,609,280 - Step 5: Solve for x
x = 2,750,017,249,280,609,280/1,636,704,629.20 - Step 6: Final answer
x = 1,680,215,965.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.