Finding the Fourth Proportional to 566,915,873.28, 782,343,916.08 and 306,155,489.28
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Solution
The fourth proportional to 566,915,873.28, 782,343,916.08 and 306,155,489.28 is: 422,494,581.12
Step by Step Solution
- Step 1: Write the proportion equation
566,915,873.28 : 782,343,916.08 = 306,155,489.28 : x - Step 2: Convert to fraction form
566,915,873.28/782,343,916.08 = 306,155,489.28/x - Step 3: Cross multiply
566,915,873.28x = 782,343,916.08 × 306,155,489.28 - Step 4: Simplify right side
566,915,873.28x = 239,518,884,412,703,648 - Step 5: Solve for x
x = 239,518,884,412,703,648/566,915,873.28 - Step 6: Final answer
x = 422,494,581.12
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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.