Finding the Fourth Proportional to 565,913,315.41, 780,803,548.99 and 339,793,567.99
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Solution
The fourth proportional to 565,913,315.41, 780,803,548.99 and 339,793,567.99 is: 468,820,960.01
Step by Step Solution
- Step 1: Write the proportion equation
565,913,315.41 : 780,803,548.99 = 339,793,567.99 : x - Step 2: Convert to fraction form
565,913,315.41/780,803,548.99 = 339,793,567.99/x - Step 3: Cross multiply
565,913,315.41x = 780,803,548.99 × 339,793,567.99 - Step 4: Simplify right side
565,913,315.41x = 265,312,023,810,566,880 - Step 5: Solve for x
x = 265,312,023,810,566,880/565,913,315.41 - Step 6: Final answer
x = 468,820,960.01
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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.