Finding the Fourth Proportional to 537,242,203.20, 805,863,304.80 and 149,064,283.20
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Solution
The fourth proportional to 537,242,203.20, 805,863,304.80 and 149,064,283.20 is: 223,596,424.80
Step by Step Solution
- Step 1: Write the proportion equation
537,242,203.20 : 805,863,304.80 = 149,064,283.20 : x - Step 2: Convert to fraction form
537,242,203.20/805,863,304.80 = 149,064,283.20/x - Step 3: Cross multiply
537,242,203.20x = 805,863,304.80 × 149,064,283.20 - Step 4: Simplify right side
537,242,203.20x = 120,125,435,887,195,104 - Step 5: Solve for x
x = 120,125,435,887,195,104/537,242,203.20 - Step 6: Final answer
x = 223,596,424.80
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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.