Finding the Fourth Proportional to 372,832,838.56, 514,513,351.88 and 205,569,423.44
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Solution
The fourth proportional to 372,832,838.56, 514,513,351.88 and 205,569,423.44 is: 283,688,028.95
Step by Step Solution
- Step 1: Write the proportion equation
372,832,838.56 : 514,513,351.88 = 205,569,423.44 : x - Step 2: Convert to fraction form
372,832,838.56/514,513,351.88 = 205,569,423.44/x - Step 3: Cross multiply
372,832,838.56x = 514,513,351.88 × 205,569,423.44 - Step 4: Simplify right side
372,832,838.56x = 105,768,213,098,153,440 - Step 5: Solve for x
x = 105,768,213,098,153,440/372,832,838.56 - Step 6: Final answer
x = 283,688,028.95
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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.