Finding the Fourth Proportional to 580,752,365.67, 801,438,379.94 and 316,434,358.71
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Solution
The fourth proportional to 580,752,365.67, 801,438,379.94 and 316,434,358.71 is: 436,679,477.85
Step by Step Solution
- Step 1: Write the proportion equation
580,752,365.67 : 801,438,379.94 = 316,434,358.71 : x - Step 2: Convert to fraction form
580,752,365.67/801,438,379.94 = 316,434,358.71/x - Step 3: Cross multiply
580,752,365.67x = 801,438,379.94 × 316,434,358.71 - Step 4: Simplify right side
580,752,365.67x = 253,602,639,800,313,024 - Step 5: Solve for x
x = 253,602,639,800,313,024/580,752,365.67 - Step 6: Final answer
x = 436,679,477.85
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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.