Finding the Fourth Proportional to 519,781,332.99, 717,333,432.33 and 293,641,884.42
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Solution
The fourth proportional to 519,781,332.99, 717,333,432.33 and 293,641,884.42 is: 405,245,682.09
Step by Step Solution
- Step 1: Write the proportion equation
519,781,332.99 : 717,333,432.33 = 293,641,884.42 : x - Step 2: Convert to fraction form
519,781,332.99/717,333,432.33 = 293,641,884.42/x - Step 3: Cross multiply
519,781,332.99x = 717,333,432.33 × 293,641,884.42 - Step 4: Simplify right side
519,781,332.99x = 210,639,140,828,830,624 - Step 5: Solve for x
x = 210,639,140,828,830,624/519,781,332.99 - Step 6: Final answer
x = 405,245,682.09
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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.