Finding the Fourth Proportional to 518,444,136.09, 777,666,991.45 and 211,736,248.96
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Solution
The fourth proportional to 518,444,136.09, 777,666,991.45 and 211,736,248.96 is: 317,604,694.99
Step by Step Solution
- Step 1: Write the proportion equation
518,444,136.09 : 777,666,991.45 = 211,736,248.96 : x - Step 2: Convert to fraction form
518,444,136.09/777,666,991.45 = 211,736,248.96/x - Step 3: Cross multiply
518,444,136.09x = 777,666,991.45 × 211,736,248.96 - Step 4: Simplify right side
518,444,136.09x = 164,660,291,708,572,736 - Step 5: Solve for x
x = 164,660,291,708,572,736/518,444,136.09 - Step 6: Final answer
x = 317,604,694.99
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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.