Finding the Fourth Proportional to 823,909,924.28, 1,136,996,154.74 and 452,655,870.52
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Solution
The fourth proportional to 823,909,924.28, 1,136,996,154.74 and 452,655,870.52 is: 624,665,353.62
Step by Step Solution
- Step 1: Write the proportion equation
823,909,924.28 : 1,136,996,154.74 = 452,655,870.52 : x - Step 2: Convert to fraction form
823,909,924.28/1,136,996,154.74 = 452,655,870.52/x - Step 3: Cross multiply
823,909,924.28x = 1,136,996,154.74 × 452,655,870.52 - Step 4: Simplify right side
823,909,924.28x = 514,667,984,201,727,296 - Step 5: Solve for x
x = 514,667,984,201,727,296/823,909,924.28 - Step 6: Final answer
x = 624,665,353.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.