Finding the Fourth Proportional to 3,345,832,207.80, 5,018,748,311.70 and 1,966,307,599.80
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Solution
The fourth proportional to 3,345,832,207.80, 5,018,748,311.70 and 1,966,307,599.80 is: 2,949,461,399.70
Step by Step Solution
- Step 1: Write the proportion equation
3,345,832,207.80 : 5,018,748,311.70 = 1,966,307,599.80 : x - Step 2: Convert to fraction form
3,345,832,207.80/5,018,748,311.70 = 1,966,307,599.80/x - Step 3: Cross multiply
3,345,832,207.80x = 5,018,748,311.70 × 1,966,307,599.80 - Step 4: Simplify right side
3,345,832,207.80x = 9,868,402,946,779,127,808 - Step 5: Solve for x
x = 9,868,402,946,779,127,808/3,345,832,207.80 - Step 6: Final answer
x = 2,949,461,399.70
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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.