Finding the Fourth Proportional to 782,326,537.83, 1,173,671,317.98 and 257,676,812.11
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Solution
The fourth proportional to 782,326,537.83, 1,173,671,317.98 and 257,676,812.11 is: 386,575,002.97
Step by Step Solution
- Step 1: Write the proportion equation
782,326,537.83 : 1,173,671,317.98 = 257,676,812.11 : x - Step 2: Convert to fraction form
782,326,537.83/1,173,671,317.98 = 257,676,812.11/x - Step 3: Cross multiply
782,326,537.83x = 1,173,671,317.98 × 257,676,812.11 - Step 4: Simplify right side
782,326,537.83x = 302,427,883,680,740,160 - Step 5: Solve for x
x = 302,427,883,680,740,160/782,326,537.83 - Step 6: Final answer
x = 386,575,002.97
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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.