Finding the Fourth Proportional to 769,772,053.08, 1,062,307,837.98 and 435,237,389.37
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Solution
The fourth proportional to 769,772,053.08, 1,062,307,837.98 and 435,237,389.37 is: 600,640,265.21
Step by Step Solution
- Step 1: Write the proportion equation
769,772,053.08 : 1,062,307,837.98 = 435,237,389.37 : x - Step 2: Convert to fraction form
769,772,053.08/1,062,307,837.98 = 435,237,389.37/x - Step 3: Cross multiply
769,772,053.08x = 1,062,307,837.98 × 435,237,389.37 - Step 4: Simplify right side
769,772,053.08x = 462,356,090,109,704,128 - Step 5: Solve for x
x = 462,356,090,109,704,128/769,772,053.08 - Step 6: Final answer
x = 600,640,265.21
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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.