Finding the Fourth Proportional to 623,756,596.80, 934,627,125.60 and 393,313,281.60
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Solution
The fourth proportional to 623,756,596.80, 934,627,125.60 and 393,313,281.60 is: 589,334,467.53
Step by Step Solution
- Step 1: Write the proportion equation
623,756,596.80 : 934,627,125.60 = 393,313,281.60 : x - Step 2: Convert to fraction form
623,756,596.80/934,627,125.60 = 393,313,281.60/x - Step 3: Cross multiply
623,756,596.80x = 934,627,125.60 × 393,313,281.60 - Step 4: Simplify right side
623,756,596.80x = 367,601,261,842,111,424 - Step 5: Solve for x
x = 367,601,261,842,111,424/623,756,596.80 - Step 6: Final answer
x = 589,334,467.53
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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.