Finding the Fourth Proportional to 298,863,865.18, 412,442,389.65 and 173,406,587.50
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Solution
The fourth proportional to 298,863,865.18, 412,442,389.65 and 173,406,587.50 is: 239,307,041.31
Step by Step Solution
- Step 1: Write the proportion equation
298,863,865.18 : 412,442,389.65 = 173,406,587.50 : x - Step 2: Convert to fraction form
298,863,865.18/412,442,389.65 = 173,406,587.50/x - Step 3: Cross multiply
298,863,865.18x = 412,442,389.65 × 173,406,587.50 - Step 4: Simplify right side
298,863,865.18x = 71,520,227,329,551,816 - Step 5: Solve for x
x = 71,520,227,329,551,816/298,863,865.18 - Step 6: Final answer
x = 239,307,041.31
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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.