Finding the Fourth Proportional to 472,855,569.14, 709,283,370.12 and 344,281,390.81
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Solution
The fourth proportional to 472,855,569.14, 709,283,370.12 and 344,281,390.81 is: 516,422,098.15
Step by Step Solution
- Step 1: Write the proportion equation
472,855,569.14 : 709,283,370.12 = 344,281,390.81 : x - Step 2: Convert to fraction form
472,855,569.14/709,283,370.12 = 344,281,390.81/x - Step 3: Cross multiply
472,855,569.14x = 709,283,370.12 × 344,281,390.81 - Step 4: Simplify right side
472,855,569.14x = 244,193,065,140,256,800 - Step 5: Solve for x
x = 244,193,065,140,256,800/472,855,569.14 - Step 6: Final answer
x = 516,422,098.15
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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.