Finding the Fourth Proportional to 1,771,473,763.20, 2,657,210,644.80 and 737,077,000.80
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Solution
The fourth proportional to 1,771,473,763.20, 2,657,210,644.80 and 737,077,000.80 is: 1,105,615,501.20
Step by Step Solution
- Step 1: Write the proportion equation
1,771,473,763.20 : 2,657,210,644.80 = 737,077,000.80 : x - Step 2: Convert to fraction form
1,771,473,763.20/2,657,210,644.80 = 737,077,000.80/x - Step 3: Cross multiply
1,771,473,763.20x = 2,657,210,644.80 × 737,077,000.80 - Step 4: Simplify right side
1,771,473,763.20x = 1,958,568,852,563,018,240 - Step 5: Solve for x
x = 1,958,568,852,563,018,240/1,771,473,763.20 - Step 6: Final answer
x = 1,105,615,501.20
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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.