Finding the Fourth Proportional to 1,175,759,315.36, 1,763,677,170.87 and 346,643,430.56
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Solution
The fourth proportional to 1,175,759,315.36, 1,763,677,170.87 and 346,643,430.56 is: 519,976,407.52
Step by Step Solution
- Step 1: Write the proportion equation
1,175,759,315.36 : 1,763,677,170.87 = 346,643,430.56 : x - Step 2: Convert to fraction form
1,175,759,315.36/1,763,677,170.87 = 346,643,430.56/x - Step 3: Cross multiply
1,175,759,315.36x = 1,763,677,170.87 × 346,643,430.56 - Step 4: Simplify right side
1,175,759,315.36x = 611,367,104,915,141,248 - Step 5: Solve for x
x = 611,367,104,915,141,248/1,175,759,315.36 - Step 6: Final answer
x = 519,976,407.52
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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.