Finding the Fourth Proportional to 1,417,181,007.90, 2,125,771,511.85 and 896,793,980.70
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Solution
The fourth proportional to 1,417,181,007.90, 2,125,771,511.85 and 896,793,980.70 is: 1,345,190,971.05
Step by Step Solution
- Step 1: Write the proportion equation
1,417,181,007.90 : 2,125,771,511.85 = 896,793,980.70 : x - Step 2: Convert to fraction form
1,417,181,007.90/2,125,771,511.85 = 896,793,980.70/x - Step 3: Cross multiply
1,417,181,007.90x = 2,125,771,511.85 × 896,793,980.70 - Step 4: Simplify right side
1,417,181,007.90x = 1,906,379,096,170,618,624 - Step 5: Solve for x
x = 1,906,379,096,170,618,624/1,417,181,007.90 - Step 6: Final answer
x = 1,345,190,971.05
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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.