Finding the Fourth Proportional to 472,392,482.70, 708,588,724.05 and 414,996,854.70
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Solution
The fourth proportional to 472,392,482.70, 708,588,724.05 and 414,996,854.70 is: 622,495,282.05
Step by Step Solution
- Step 1: Write the proportion equation
472,392,482.70 : 708,588,724.05 = 414,996,854.70 : x - Step 2: Convert to fraction form
472,392,482.70/708,588,724.05 = 414,996,854.70/x - Step 3: Cross multiply
472,392,482.70x = 708,588,724.05 × 414,996,854.70 - Step 4: Simplify right side
472,392,482.70x = 294,062,091,756,636,224 - Step 5: Solve for x
x = 294,062,091,756,636,224/472,392,482.70 - Step 6: Final answer
x = 622,495,282.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.