Finding the Fourth Proportional to 1,771,559,928.80, 2,657,325,896.40 and 461,459,448.80
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Solution
The fourth proportional to 1,771,559,928.80, 2,657,325,896.40 and 461,459,448.80 is: 692,185,527.29
Step by Step Solution
- Step 1: Write the proportion equation
1,771,559,928.80 : 2,657,325,896.40 = 461,459,448.80 : x - Step 2: Convert to fraction form
1,771,559,928.80/2,657,325,896.40 = 461,459,448.80/x - Step 3: Cross multiply
1,771,559,928.80x = 2,657,325,896.40 × 461,459,448.80 - Step 4: Simplify right side
1,771,559,928.80x = 1,226,248,143,434,710,016 - Step 5: Solve for x
x = 1,226,248,143,434,710,016/1,771,559,928.80 - Step 6: Final answer
x = 692,185,527.29
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1.5x scale
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.