Finding the Fourth Proportional to 1,400,975,459.51, 2,101,993,940.00 and 841,128,252.99
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Solution
The fourth proportional to 1,400,975,459.51, 2,101,993,940.00 and 841,128,252.99 is: 1,262,011,035.63
Step by Step Solution
- Step 1: Write the proportion equation
1,400,975,459.51 : 2,101,993,940.00 = 841,128,252.99 : x - Step 2: Convert to fraction form
1,400,975,459.51/2,101,993,940.00 = 841,128,252.99/x - Step 3: Cross multiply
1,400,975,459.51x = 2,101,993,940.00 × 841,128,252.99 - Step 4: Simplify right side
1,400,975,459.51x = 1,768,046,490,543,561,216 - Step 5: Solve for x
x = 1,768,046,490,543,561,216/1,400,975,459.51 - Step 6: Final answer
x = 1,262,011,035.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.