Finding the Fourth Proportional to 1,270,824,455.60, 1,905,144,947.30 and 441,670,382.36
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Solution
The fourth proportional to 1,270,824,455.60, 1,905,144,947.30 and 441,670,382.36 is: 662,126,144.65
Step by Step Solution
- Step 1: Write the proportion equation
1,270,824,455.60 : 1,905,144,947.30 = 441,670,382.36 : x - Step 2: Convert to fraction form
1,270,824,455.60/1,905,144,947.30 = 441,670,382.36/x - Step 3: Cross multiply
1,270,824,455.60x = 1,905,144,947.30 × 441,670,382.36 - Step 4: Simplify right side
1,270,824,455.60x = 841,446,097,313,479,040 - Step 5: Solve for x
x = 841,446,097,313,479,040/1,270,824,455.60 - Step 6: Final answer
x = 662,126,144.65
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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.