Finding the Fourth Proportional to 936,056,271.07, 1,291,798,259.48 and 518,368,556.41
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Solution
The fourth proportional to 936,056,271.07, 1,291,798,259.48 and 518,368,556.41 is: 715,371,094.28
Step by Step Solution
- Step 1: Write the proportion equation
936,056,271.07 : 1,291,798,259.48 = 518,368,556.41 : x - Step 2: Convert to fraction form
936,056,271.07/1,291,798,259.48 = 518,368,556.41/x - Step 3: Cross multiply
936,056,271.07x = 1,291,798,259.48 × 518,368,556.41 - Step 4: Simplify right side
936,056,271.07x = 669,627,598,939,598,208 - Step 5: Solve for x
x = 669,627,598,939,598,208/936,056,271.07 - Step 6: Final answer
x = 715,371,094.28
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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.