Finding the Fourth Proportional to 318,874,663.62, 478,312,001.58 and 76,537,567.62
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Solution
The fourth proportional to 318,874,663.62, 478,312,001.58 and 76,537,567.62 is: 114,806,352.90
Step by Step Solution
- Step 1: Write the proportion equation
318,874,663.62 : 478,312,001.58 = 76,537,567.62 : x - Step 2: Convert to fraction form
318,874,663.62/478,312,001.58 = 76,537,567.62/x - Step 3: Cross multiply
318,874,663.62x = 478,312,001.58 × 76,537,567.62 - Step 4: Simplify right side
318,874,663.62x = 36,608,837,162,790,544 - Step 5: Solve for x
x = 36,608,837,162,790,544/318,874,663.62 - Step 6: Final answer
x = 114,806,352.90
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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.