Finding the Fourth Proportional to 5,957,748,681.93, 8,221,692,791.34 and 3,453,075,220.68
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Solution
The fourth proportional to 5,957,748,681.93, 8,221,692,791.34 and 3,453,075,220.68 is: 4,765,243,578.66
Step by Step Solution
- Step 1: Write the proportion equation
5,957,748,681.93 : 8,221,692,791.34 = 3,453,075,220.68 : x - Step 2: Convert to fraction form
5,957,748,681.93/8,221,692,791.34 = 3,453,075,220.68/x - Step 3: Cross multiply
5,957,748,681.93x = 8,221,692,791.34 × 3,453,075,220.68 - Step 4: Simplify right side
5,957,748,681.93x = 28,390,123,649,819,533,312 - Step 5: Solve for x
x = 28,390,123,649,819,533,312/5,957,748,681.93 - Step 6: Final answer
x = 4,765,243,578.66
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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.