Finding the Fourth Proportional to 339,833,298.08, 468,944,599.28 and 191,125,688.96
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Solution
The fourth proportional to 339,833,298.08, 468,944,599.28 and 191,125,688.96 is: 263,739,192.51
Step by Step Solution
- Step 1: Write the proportion equation
339,833,298.08 : 468,944,599.28 = 191,125,688.96 : x - Step 2: Convert to fraction form
339,833,298.08/468,944,599.28 = 191,125,688.96/x - Step 3: Cross multiply
339,833,298.08x = 468,944,599.28 × 191,125,688.96 - Step 4: Simplify right side
339,833,298.08x = 89,627,359,621,461,120 - Step 5: Solve for x
x = 89,627,359,621,461,120/339,833,298.08 - Step 6: Final answer
x = 263,739,192.51
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.