Finding the Fourth Proportional to 6,348,341,405.36, 8,759,652,189.66 and 3,528,565,946.64
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Solution
The fourth proportional to 6,348,341,405.36, 8,759,652,189.66 and 3,528,565,946.64 is: 4,868,832,415.78
Step by Step Solution
- Step 1: Write the proportion equation
6,348,341,405.36 : 8,759,652,189.66 = 3,528,565,946.64 : x - Step 2: Convert to fraction form
6,348,341,405.36/8,759,652,189.66 = 3,528,565,946.64/x - Step 3: Cross multiply
6,348,341,405.36x = 8,759,652,189.66 × 3,528,565,946.64 - Step 4: Simplify right side
6,348,341,405.36x = 30,909,010,420,844,785,664 - Step 5: Solve for x
x = 30,909,010,420,844,785,664/6,348,341,405.36 - Step 6: Final answer
x = 4,868,832,415.78
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.