Finding the Fourth Proportional to 560,079,564.02, 772,889,543.24 and 309,178,569.68
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Solution
The fourth proportional to 560,079,564.02, 772,889,543.24 and 309,178,569.68 is: 426,655,244.81
Step by Step Solution
- Step 1: Write the proportion equation
560,079,564.02 : 772,889,543.24 = 309,178,569.68 : x - Step 2: Convert to fraction form
560,079,564.02/772,889,543.24 = 309,178,569.68/x - Step 3: Cross multiply
560,079,564.02x = 772,889,543.24 × 309,178,569.68 - Step 4: Simplify right side
560,079,564.02x = 238,960,883,499,571,712 - Step 5: Solve for x
x = 238,960,883,499,571,712/560,079,564.02 - Step 6: Final answer
x = 426,655,244.81
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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.