Finding the Fourth Proportional to 662,075,294.06, 913,692,249.33 and 368,719,862.06
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Solution
The fourth proportional to 662,075,294.06, 913,692,249.33 and 368,719,862.06 is: 508,849,194.59
Step by Step Solution
- Step 1: Write the proportion equation
662,075,294.06 : 913,692,249.33 = 368,719,862.06 : x - Step 2: Convert to fraction form
662,075,294.06/913,692,249.33 = 368,719,862.06/x - Step 3: Cross multiply
662,075,294.06x = 913,692,249.33 × 368,719,862.06 - Step 4: Simplify right side
662,075,294.06x = 336,896,480,139,161,344 - Step 5: Solve for x
x = 336,896,480,139,161,344/662,075,294.06 - Step 6: Final answer
x = 508,849,194.59
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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.