Finding the Fourth Proportional to 1,609,889,309.65, 2,414,553,798.07 and 519,372,379.09
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Solution
The fourth proportional to 1,609,889,309.65, 2,414,553,798.07 and 519,372,379.09 is: 778,968,183.11
Step by Step Solution
- Step 1: Write the proportion equation
1,609,889,309.65 : 2,414,553,798.07 = 519,372,379.09 : x - Step 2: Convert to fraction form
1,609,889,309.65/2,414,553,798.07 = 519,372,379.09/x - Step 3: Cross multiply
1,609,889,309.65x = 2,414,553,798.07 × 519,372,379.09 - Step 4: Simplify right side
1,609,889,309.65x = 1,254,052,550,544,411,392 - Step 5: Solve for x
x = 1,254,052,550,544,411,392/1,609,889,309.65 - Step 6: Final answer
x = 778,968,183.11
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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.