Finding the Fourth Proportional to 556,052,835.19, 767,302,197.55 and 329,952,860.41
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Solution
The fourth proportional to 556,052,835.19, 767,302,197.55 and 329,952,860.41 is: 455,304,853.89
Step by Step Solution
- Step 1: Write the proportion equation
556,052,835.19 : 767,302,197.55 = 329,952,860.41 : x - Step 2: Convert to fraction form
556,052,835.19/767,302,197.55 = 329,952,860.41/x - Step 3: Cross multiply
556,052,835.19x = 767,302,197.55 × 329,952,860.41 - Step 4: Simplify right side
556,052,835.19x = 253,173,554,880,501,408 - Step 5: Solve for x
x = 253,173,554,880,501,408/556,052,835.19 - Step 6: Final answer
x = 455,304,853.89
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.