Finding the Fourth Proportional to 471,764,965.10, 651,037,624.47 and 260,067,148.61
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Solution
The fourth proportional to 471,764,965.10, 651,037,624.47 and 260,067,148.61 is: 358,893,752.52
Step by Step Solution
- Step 1: Write the proportion equation
471,764,965.10 : 651,037,624.47 = 260,067,148.61 : x - Step 2: Convert to fraction form
471,764,965.10/651,037,624.47 = 260,067,148.61/x - Step 3: Cross multiply
471,764,965.10x = 651,037,624.47 × 260,067,148.61 - Step 4: Simplify right side
471,764,965.10x = 169,313,498,630,485,664 - Step 5: Solve for x
x = 169,313,498,630,485,664/471,764,965.10 - Step 6: Final answer
x = 358,893,752.52
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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.