Finding the Fourth Proportional to 1,555,616,090.56, 2,334,190,228.17 and 726,449,225.63
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Solution
The fourth proportional to 1,555,616,090.56, 2,334,190,228.17 and 726,449,225.63 is: 1,090,031,592.00
Step by Step Solution
- Step 1: Write the proportion equation
1,555,616,090.56 : 2,334,190,228.17 = 726,449,225.63 : x - Step 2: Convert to fraction form
1,555,616,090.56/2,334,190,228.17 = 726,449,225.63/x - Step 3: Cross multiply
1,555,616,090.56x = 2,334,190,228.17 × 726,449,225.63 - Step 4: Simplify right side
1,555,616,090.56x = 1,695,670,683,727,209,472 - Step 5: Solve for x
x = 1,695,670,683,727,209,472/1,555,616,090.56 - Step 6: Final answer
x = 1,090,031,592.00
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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.