Finding the Fourth Proportional to 260,798,840.44, 390,552,555.66 and 191,547,428.08
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Solution
The fourth proportional to 260,798,840.44, 390,552,555.66 and 191,547,428.08 is: 286,846,894.87
Step by Step Solution
- Step 1: Write the proportion equation
260,798,840.44 : 390,552,555.66 = 191,547,428.08 : x - Step 2: Convert to fraction form
260,798,840.44/390,552,555.66 = 191,547,428.08/x - Step 3: Cross multiply
260,798,840.44x = 390,552,555.66 × 191,547,428.08 - Step 4: Simplify right side
260,798,840.44x = 74,809,337,566,744,064 - Step 5: Solve for x
x = 74,809,337,566,744,064/260,798,840.44 - Step 6: Final answer
x = 286,846,894.87
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.