Finding the Fourth Proportional to 1,422,352,616.40, 2,133,528,924.60 and 839,488,539.60
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Solution
The fourth proportional to 1,422,352,616.40, 2,133,528,924.60 and 839,488,539.60 is: 1,259,232,809.40
Step by Step Solution
- Step 1: Write the proportion equation
1,422,352,616.40 : 2,133,528,924.60 = 839,488,539.60 : x - Step 2: Convert to fraction form
1,422,352,616.40/2,133,528,924.60 = 839,488,539.60/x - Step 3: Cross multiply
1,422,352,616.40x = 2,133,528,924.60 × 839,488,539.60 - Step 4: Simplify right side
1,422,352,616.40x = 1,791,073,081,106,812,416 - Step 5: Solve for x
x = 1,791,073,081,106,812,416/1,422,352,616.40 - Step 6: Final answer
x = 1,259,232,809.40
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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.