Finding the Fourth Proportional to 353,301,907.20, 487,602,395.64 and 202,653,337.92
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Solution
The fourth proportional to 353,301,907.20, 487,602,395.64 and 202,653,337.92 is: 279,687,856.31
Step by Step Solution
- Step 1: Write the proportion equation
353,301,907.20 : 487,602,395.64 = 202,653,337.92 : x - Step 2: Convert to fraction form
353,301,907.20/487,602,395.64 = 202,653,337.92/x - Step 3: Cross multiply
353,301,907.20x = 487,602,395.64 × 202,653,337.92 - Step 4: Simplify right side
353,301,907.20x = 98,814,253,054,234,448 - Step 5: Solve for x
x = 98,814,253,054,234,448/353,301,907.20 - Step 6: Final answer
x = 279,687,856.31
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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.