Finding the Fourth Proportional to 745,185,953.40, 1,117,778,930.10 and 740,084,119.80
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Solution
The fourth proportional to 745,185,953.40, 1,117,778,930.10 and 740,084,119.80 is: 1,110,126,179.70
Step by Step Solution
- Step 1: Write the proportion equation
745,185,953.40 : 1,117,778,930.10 = 740,084,119.80 : x - Step 2: Convert to fraction form
745,185,953.40/1,117,778,930.10 = 740,084,119.80/x - Step 3: Cross multiply
745,185,953.40x = 1,117,778,930.10 × 740,084,119.80 - Step 4: Simplify right side
745,185,953.40x = 827,250,435,614,044,160 - Step 5: Solve for x
x = 827,250,435,614,044,160/745,185,953.40 - Step 6: Final answer
x = 1,110,126,179.70
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Similar ratio
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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.