Finding the Fourth Proportional to 758,230,629.84, 1,137,390,034.68 and 213,014,679.12
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Solution
The fourth proportional to 758,230,629.84, 1,137,390,034.68 and 213,014,679.12 is: 319,534,405.15
Step by Step Solution
- Step 1: Write the proportion equation
758,230,629.84 : 1,137,390,034.68 = 213,014,679.12 : x - Step 2: Convert to fraction form
758,230,629.84/1,137,390,034.68 = 213,014,679.12/x - Step 3: Cross multiply
758,230,629.84x = 1,137,390,034.68 × 213,014,679.12 - Step 4: Simplify right side
758,230,629.84x = 242,280,773,271,645,888 - Step 5: Solve for x
x = 242,280,773,271,645,888/758,230,629.84 - Step 6: Final answer
x = 319,534,405.15
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.