Finding the Fourth Proportional to 410,070,991.19, 565,899,467.81 and 221,899,286.70
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Solution
The fourth proportional to 410,070,991.19, 565,899,467.81 and 221,899,286.70 is: 306,221,827.32
Step by Step Solution
- Step 1: Write the proportion equation
410,070,991.19 : 565,899,467.81 = 221,899,286.70 : x - Step 2: Convert to fraction form
410,070,991.19/565,899,467.81 = 221,899,286.70/x - Step 3: Cross multiply
410,070,991.19x = 565,899,467.81 × 221,899,286.70 - Step 4: Simplify right side
410,070,991.19x = 125,572,688,249,839,104 - Step 5: Solve for x
x = 125,572,688,249,839,104/410,070,991.19 - Step 6: Final answer
x = 306,221,827.32
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.