Finding the Fourth Proportional to 610,418,593.80, 915,683,877.90 and 201,475,643.40
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Solution
The fourth proportional to 610,418,593.80, 915,683,877.90 and 201,475,643.40 is: 302,231,944.32
Step by Step Solution
- Step 1: Write the proportion equation
610,418,593.80 : 915,683,877.90 = 201,475,643.40 : x - Step 2: Convert to fraction form
610,418,593.80/915,683,877.90 = 201,475,643.40/x - Step 3: Cross multiply
610,418,593.80x = 915,683,877.90 × 201,475,643.40 - Step 4: Simplify right side
610,418,593.80x = 184,487,998,450,909,536 - Step 5: Solve for x
x = 184,487,998,450,909,536/610,418,593.80 - Step 6: Final answer
x = 302,231,944.32
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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.