Finding the Fourth Proportional to 514,341,427.42, 709,796,460.63 and 279,396,741.34
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Solution
The fourth proportional to 514,341,427.42, 709,796,460.63 and 279,396,741.34 is: 385,570,377.07
Step by Step Solution
- Step 1: Write the proportion equation
514,341,427.42 : 709,796,460.63 = 279,396,741.34 : x - Step 2: Convert to fraction form
514,341,427.42/709,796,460.63 = 279,396,741.34/x - Step 3: Cross multiply
514,341,427.42x = 709,796,460.63 × 279,396,741.34 - Step 4: Simplify right side
514,341,427.42x = 198,314,818,114,687,584 - Step 5: Solve for x
x = 198,314,818,114,687,584/514,341,427.42 - Step 6: Final answer
x = 385,570,377.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.