Finding the Fourth Proportional to 559,638,176.08, 772,302,053.64 and 312,135,561.04
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Solution
The fourth proportional to 559,638,176.08, 772,302,053.64 and 312,135,561.04 is: 430,747,838.71
Step by Step Solution
- Step 1: Write the proportion equation
559,638,176.08 : 772,302,053.64 = 312,135,561.04 : x - Step 2: Convert to fraction form
559,638,176.08/772,302,053.64 = 312,135,561.04/x - Step 3: Cross multiply
559,638,176.08x = 772,302,053.64 × 312,135,561.04 - Step 4: Simplify right side
559,638,176.08x = 241,062,934,805,265,600 - Step 5: Solve for x
x = 241,062,934,805,265,600/559,638,176.08 - Step 6: Final answer
x = 430,747,838.71
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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.