Finding the Fourth Proportional to 1,035,485,251.28, 1,553,233,683.44 and 345,390,610.80
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Solution
The fourth proportional to 1,035,485,251.28, 1,553,233,683.44 and 345,390,610.80 is: 518,087,852.99
Step by Step Solution
- Step 1: Write the proportion equation
1,035,485,251.28 : 1,553,233,683.44 = 345,390,610.80 : x - Step 2: Convert to fraction form
1,035,485,251.28/1,553,233,683.44 = 345,390,610.80/x - Step 3: Cross multiply
1,035,485,251.28x = 1,553,233,683.44 × 345,390,610.80 - Step 4: Simplify right side
1,035,485,251.28x = 536,472,330,638,475,456 - Step 5: Solve for x
x = 536,472,330,638,475,456/1,035,485,251.28 - Step 6: Final answer
x = 518,087,852.99
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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.