Finding the Fourth Proportional to 1,547,542,902.85, 2,319,166,742.47 and 705,126,895.09
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Solution
The fourth proportional to 1,547,542,902.85, 2,319,166,742.47 and 705,126,895.09 is: 1,056,711,798.62
Step by Step Solution
- Step 1: Write the proportion equation
1,547,542,902.85 : 2,319,166,742.47 = 705,126,895.09 : x - Step 2: Convert to fraction form
1,547,542,902.85/2,319,166,742.47 = 705,126,895.09/x - Step 3: Cross multiply
1,547,542,902.85x = 2,319,166,742.47 × 705,126,895.09 - Step 4: Simplify right side
1,547,542,902.85x = 1,635,306,844,313,860,608 - Step 5: Solve for x
x = 1,635,306,844,313,860,608/1,547,542,902.85 - Step 6: Final answer
x = 1,056,711,798.62
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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.