Finding the Fourth Proportional to 495,248,839.80, 742,873,259.70 and 495,248,839.80
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Solution
The fourth proportional to 495,248,839.80, 742,873,259.70 and 495,248,839.80 is: 742,873,259.70
Step by Step Solution
- Step 1: Write the proportion equation
495,248,839.80 : 742,873,259.70 = 495,248,839.80 : x - Step 2: Convert to fraction form
495,248,839.80/742,873,259.70 = 495,248,839.80/x - Step 3: Cross multiply
495,248,839.80x = 742,873,259.70 × 495,248,839.80 - Step 4: Simplify right side
495,248,839.80x = 367,907,119,984,869,120 - Step 5: Solve for x
x = 367,907,119,984,869,120/495,248,839.80 - Step 6: Final answer
x = 742,873,259.70
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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.