Finding the Fourth Proportional to 748,307,564.20, 1,122,461,346.30 and 472,808,549.80
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Solution
The fourth proportional to 748,307,564.20, 1,122,461,346.30 and 472,808,549.80 is: 709,212,824.70
Step by Step Solution
- Step 1: Write the proportion equation
748,307,564.20 : 1,122,461,346.30 = 472,808,549.80 : x - Step 2: Convert to fraction form
748,307,564.20/1,122,461,346.30 = 472,808,549.80/x - Step 3: Cross multiply
748,307,564.20x = 1,122,461,346.30 × 472,808,549.80 - Step 4: Simplify right side
748,307,564.20x = 530,709,321,350,658,560 - Step 5: Solve for x
x = 530,709,321,350,658,560/748,307,564.20 - Step 6: Final answer
x = 709,212,824.70
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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.