Finding the Fourth Proportional to 1,796,689,373.80, 2,695,034,060.70 and 435,080,669.80
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Solution
The fourth proportional to 1,796,689,373.80, 2,695,034,060.70 and 435,080,669.80 is: 652,621,004.70
Step by Step Solution
- Step 1: Write the proportion equation
1,796,689,373.80 : 2,695,034,060.70 = 435,080,669.80 : x - Step 2: Convert to fraction form
1,796,689,373.80/2,695,034,060.70 = 435,080,669.80/x - Step 3: Cross multiply
1,796,689,373.80x = 2,695,034,060.70 × 435,080,669.80 - Step 4: Simplify right side
1,796,689,373.80x = 1,172,557,224,263,169,792 - Step 5: Solve for x
x = 1,172,557,224,263,169,792/1,796,689,373.80 - Step 6: Final answer
x = 652,621,004.70
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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.