Finding the Fourth Proportional to 1,771,473,638.90, 2,657,210,458.35 and 606,554,966.90
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Solution
The fourth proportional to 1,771,473,638.90, 2,657,210,458.35 and 606,554,966.90 is: 909,832,450.35
Step by Step Solution
- Step 1: Write the proportion equation
1,771,473,638.90 : 2,657,210,458.35 = 606,554,966.90 : x - Step 2: Convert to fraction form
1,771,473,638.90/2,657,210,458.35 = 606,554,966.90/x - Step 3: Cross multiply
1,771,473,638.90x = 2,657,210,458.35 × 606,554,966.90 - Step 4: Simplify right side
1,771,473,638.90x = 1,611,744,201,610,818,048 - Step 5: Solve for x
x = 1,611,744,201,610,818,048/1,771,473,638.90 - Step 6: Final answer
x = 909,832,450.35
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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.