Finding the Fourth Proportional to 2,069,664,984.60, 3,104,928,785.70 and 689,908,133.40
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Solution
The fourth proportional to 2,069,664,984.60, 3,104,928,785.70 and 689,908,133.40 is: 1,035,005,973.83
Step by Step Solution
- Step 1: Write the proportion equation
2,069,664,984.60 : 3,104,928,785.70 = 689,908,133.40 : x - Step 2: Convert to fraction form
2,069,664,984.60/3,104,928,785.70 = 689,908,133.40/x - Step 3: Cross multiply
2,069,664,984.60x = 3,104,928,785.70 × 689,908,133.40 - Step 4: Simplify right side
2,069,664,984.60x = 2,142,115,622,882,215,424 - Step 5: Solve for x
x = 2,142,115,622,882,215,424/2,069,664,984.60 - Step 6: Final answer
x = 1,035,005,973.83
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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.