Finding the Fourth Proportional to 8,996,798,424.15, 12,409,603,593.61 and 5,785,767,987.02
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Solution
The fourth proportional to 8,996,798,424.15, 12,409,603,593.61 and 5,785,767,987.02 is: 7,980,515,269.83
Step by Step Solution
- Step 1: Write the proportion equation
8,996,798,424.15 : 12,409,603,593.61 = 5,785,767,987.02 : x - Step 2: Convert to fraction form
8,996,798,424.15/12,409,603,593.61 = 5,785,767,987.02/x - Step 3: Cross multiply
8,996,798,424.15x = 12,409,603,593.61 × 5,785,767,987.02 - Step 4: Simplify right side
8,996,798,424.15x = 71,799,087,203,488,161,792 - Step 5: Solve for x
x = 71,799,087,203,488,161,792/8,996,798,424.15 - Step 6: Final answer
x = 7,980,515,269.83
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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.