Finding the Fourth Proportional to 348,263,275.51, 522,233,485.93 and 129,854,974.80
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Solution
The fourth proportional to 348,263,275.51, 522,233,485.93 and 129,854,974.80 is: 194,722,271.70
Step by Step Solution
- Step 1: Write the proportion equation
348,263,275.51 : 522,233,485.93 = 129,854,974.80 : x - Step 2: Convert to fraction form
348,263,275.51/522,233,485.93 = 129,854,974.80/x - Step 3: Cross multiply
348,263,275.51x = 522,233,485.93 × 129,854,974.80 - Step 4: Simplify right side
348,263,275.51x = 67,814,616,154,507,032 - Step 5: Solve for x
x = 67,814,616,154,507,032/348,263,275.51 - Step 6: Final answer
x = 194,722,271.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.