Finding the Fourth Proportional to 3,464,142,508.99, 4,780,578,671.73 and 1,878,287,922.91
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Solution
The fourth proportional to 3,464,142,508.99, 4,780,578,671.73 and 1,878,287,922.91 is: 2,592,070,955.60
Step by Step Solution
- Step 1: Write the proportion equation
3,464,142,508.99 : 4,780,578,671.73 = 1,878,287,922.91 : x - Step 2: Convert to fraction form
3,464,142,508.99/4,780,578,671.73 = 1,878,287,922.91/x - Step 3: Cross multiply
3,464,142,508.99x = 4,780,578,671.73 × 1,878,287,922.91 - Step 4: Simplify right side
3,464,142,508.99x = 8,979,303,183,598,295,040 - Step 5: Solve for x
x = 8,979,303,183,598,295,040/3,464,142,508.99 - Step 6: Final answer
x = 2,592,070,955.60
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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.